Top 90 Lawrence M. Krauss Quotes (2025 Update)
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51. “There is a maxim about the universe which I always tell my students: That which is not explicitly forbidden is guaranteed to occur.”

— Lawrence M. Krauss

52. “What people believe impacts on what they do. And it’s not as if religion is universally bad. Of course it’s responsible for many peoples doing good actions.”

— Lawrence M. Krauss

53. “What science is all about is a process. It’s like saying, “Well, is it important for people to know that World War II happened?” Well it’s part of what makes us who we are. And so, there’s basic bits of science we need to know.”

— Lawrence M. Krauss

54. “People are interested in science, but they don’t always know they’re interested in science, and so I try to find a way to get them interested.”

— Lawrence M. Krauss

55. “I like to say that while antimatter may seem strange, it is strange in the sense that Belgians are strange. They are not really strange; it is just that one rarely meets them.”

— Lawrence M. Krauss

56. “When a person’s religious beliefs cause him to deny the evidence of science, or for whom public policy morphs into a battle with the devil, shouldn’t that be a subject for discussion and debate?”

— Lawrence M. Krauss

57. “Neutrinos alone, among all the known particles, have ethereal properties that are striking and romantic enough both to have inspired a poem by John Updike and to have sent teams of scientists deep underground for 50 years to build huge science-fiction-like contraptions to unravel their mysteries.”

— Lawrence M. Krauss

58. “The Initial Mystery that attends any journey is: how did the traveler reach his starting point in the first place? – LOUISE BOGAN, Journey Around My Room.”

— Lawrence M. Krauss

59. “Metaphysical speculation is independent of the physical validity of the Big Bang itself and is irrelevant to our understanding of it.”

— Lawrence M. Krauss

60. “Teaching and writing, to me, is really just seduction; you go to where people are and you find something that they’re interested in and you try and use that to convince them that they should be interested in what you have to say.”

— Lawrence M. Krauss

61. “Whenever one asks “Why?” in science, one actually means “How?”. “Why?” is not really a sensible question in science because it usually implies purpose and, as anyone who has been the parent of a small child knows, one can keep on asking “Why?” forever, no matter what the answer to the previous question. Ultimately, the only way to end the conversation seems to be to say “Because!”

— Lawrence M. Krauss

62. “Defining away the question by arguing that the buck stops with God may seem to obviate the issue of infinite regression, but here I invoke my mantra: The universe is the way it is, whether we like it or not. The existence or nonexistence of a creator is independent of our desires. A world without God or purpose may seem harsh or pointless, but that alone doesn’t require God to actually exist.”

— Lawrence M. Krauss

63. “I don’t make any claims to answer any questions that science cannot answer, and I have tried very carefully within the text to define what I mean by “nothing” and “something.” If those definitions differ from those you would like to adopt, so be it. Write your own book. But don’t discount the remarkable human adventure that is modern science because it doesn’t console you.”

— Lawrence M. Krauss

64. “But common sense is deceptive precisely because it is based on common experience.”

— Lawrence M. Krauss

65. “Finally, and inevitably, the flat universe will further flatten into a nothingness that mirrors its beginning. Not only will there be no cosmologists to look out on the universe, there will be nothing for them to see even if they could. Nothing at all. Not even atoms. Nothing. If you think that’s bleak and cheerless, too bad. Reality doesn’t owe us comfort.”

— Lawrence M. Krauss

66. “There are known knowns. These are things we know that we know. There are known unknowns. That is to say, there are things that we know we don’t know. But there are also unknown unknowns. There are things we don’t know we don’t know. – DONALD RUMSFELD.”

— Lawrence M. Krauss

67. “Once you assume a creator and a plan, it makes humans objects in a cruel experiment whereby we are created to be sick and commanded to be well. – CHRISTOPHER HITCHENS.”

— Lawrence M. Krauss

68. “Reality doesn’t owe us comfort.”

— Lawrence M. Krauss

69. “And, just as with inflation, as described in the last chapter, our observable universe is at the threshold of expanding faster than the speed of light.”

— Lawrence M. Krauss

70. “The universe is the way it is, whether we like it or not. The existence or nonexistence of a creator is independent of our desires. A world without God or purpose may seem harsh or pointless, but that alone doesn’t require God to actually exist.”

— Lawrence M. Krauss

71. “For those who find it remarkable that we live in a universe of Something, just wait. Nothingness is heading on a collision course right toward us!”

— Lawrence M. Krauss

72. “Why is there a universe at all? Why are we here?”

— Lawrence M. Krauss

73. “In this sense, science, as physicist Steven Weinberg has emphasized, does not make it impossible to believe in God, but rather makes it possible to not believe in God. Without science, everything is a miracle. With science, there remains the possibility that nothing is. Religious belief in this case becomes less and less necessary, and also less and less relevant.”

— Lawrence M. Krauss

74. “But being uncomfortable is a virtue, not a hindrance.”

— Lawrence M. Krauss

75. “But relying on invisible miracles is the stuff of religion, not science. To ascertain whether this remarkable accident was real, physicists relied on another facet of the quantum world. Associated with every background field is a particle, and if you pick a point in space and hit it hard enough, you may whack out real particles.”

— Lawrence M. Krauss

76. “It is mere rubbish, thinking at present of the origin of life; one might as well think of the origin of matter.”

— Lawrence M. Krauss

77. “Dream or nightmare, we have to live our experience as it is, and we have to live it awake.”

— Lawrence M. Krauss

78. “Curiosity-driven research may seem self-indulgent and far from the immediate public good. However, essentially all of our current quality of life, for people living in the first world, has arisen from the fruits of such research, including all the electric power that drives almost every device we use. Two.”

— Lawrence M. Krauss

79. “More often than you might think, teaching science is inseparable from teaching doubt.”

— Lawrence M. Krauss

80. “Edwin Hubble, who continues to give me great faith in humanity, because he started out as a lawyer and then became an astronomer.”

— Lawrence M. Krauss

81. “Andromeda was discovered to be another island universe, another spiral galaxy almost identical to our own, and one of the more than 100 billion other galaxies that, we now know, exist in our observable universe.”

— Lawrence M. Krauss

82. “The date here is very interesting, because, as far as I can determine, the first Star Trek episode to refer to a black hole, which it called a “black star,” was aired in 1967 before Wheeler ever used the term in public.”

— Lawrence M. Krauss

83. “The tapestry that science weaves in describing the evolution of our universe is richer and far more fascinating than any revelatory images or imaginative stories that humans have concocted. Nature comes up with surprises that far exceed those that the human imagination can generate.”

— Lawrence M. Krauss

84. “But plausibility itself, in my view, is a tremendous step forward as we continue to marshal the courage to live meaningful lives in a universe that likely came into existence, and may fade out of existence, without purpose, and certainly without us at its center.”

— Lawrence M. Krauss

85. “The forces that govern our experience, electromagnetism and gravity, are blind to the distinction between left and right. No process moderated by either force can turn something such as your right hand into its mirror image. I cannot.”

— Lawrence M. Krauss

86. “We need to live our experience as it is and with our eyes open. The universe is the way it is, whether we like it or not.”

— Lawrence M. Krauss

87. “The Higgs is like a toilet. It hides all the messy details.”

— Lawrence M. Krauss

88. “Particle physicists are way ahead of cosmologists. Cosmology has produced one totally mysterious quantity: the energy of empty space, about which we understand virtually nothing. However, particle physics has not understood many more quantities for far longer!”

— Lawrence M. Krauss

89. “Indeed, in a strange coincidence, we are living in the only era in the history of the universe when the presence of the dark energy permeating empty space is likely to be detectable. It is true that this era is several hundred billion years long, but in an eternally expanding universe it represents the mere blink of a cosmic eye.”

— Lawrence M. Krauss

90. “Five hundred years of science have liberated humanity from the shackles of enforced ignorance.”

— Lawrence M. Krauss

91. “Nevertheless, all of these phenomena imply that, under the right conditions, not only can nothing become something, it is required to.”

— Lawrence M. Krauss