Top 500 Neil deGrasse Tyson Quotes (2025 Update)
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401. “Earth’s oceans will boil away about a billion years.”

— Neil deGrasse Tyson

402. “While most branches of science have ascended in this era, the field of astrophysics persistently rises to the top. I think I know why. At one time or another every one of us has looked up at the night sky and wondered: What does it all mean? How does it all work? And, what is my place in the universe?”

— Neil deGrasse Tyson

403. “Personally, I am quite comfortable with chemicals, anywhere in the universe. My favorite stars, as well as my best friends, are all made of them.”

— Neil deGrasse Tyson

404. “When your reasons for believing something are justified ad hoc, you are left susceptible to further discoveries undermining the rationale for that belief.”

— Neil deGrasse Tyson

405. “What’s up with chicks and science?”

— Neil deGrasse Tyson

406. “If the purpose of the universe was to create humans then the cosmos was embarrassingly inefficient about it.”

— Neil deGrasse Tyson

407. “All tweets are tasty. Any tweet anybody writes is tasty. So, I try to have each tweet not simply be informative, but have some outlook, some perspective that you might not otherwise had.”

— Neil deGrasse Tyson

408. “The less evidence we have for what we believe is certain, the more violently we defend beliefs against those who don’t agree.”

— Neil deGrasse Tyson

409. “From that day on, I began to think of people not as the masters of space and time but as participants in a great cosmic chain of being, with a direct genetic link across species both living and extinct, extending back nearly four billion years to the earliest single-celled organisms on Earth.”

— Neil deGrasse Tyson

410. “It seems that we’re better at finding someone to blame for our problems than we are at finding creative solutions to fix them.”

— Neil deGrasse Tyson

411. “At one time or another every one of us has looked up at the night sky and wondered: What does it all mean? How does it all work? And, what is my place in the universe?”

— Neil deGrasse Tyson

412. “Human nature scares the hell out of me.”

— Neil deGrasse Tyson

413. “All Plutophiles are based in America. If you go to other countries, they have much less of an attachment to either the existence or preservation of Pluto as a planet.”

— Neil deGrasse Tyson

414. “The evidence all points to the fact that we occupy not a well-mannered clockwork universe, but a destructive, violent, and hostile zoo.”

— Neil deGrasse Tyson

415. “On some issues, I’m a staunch Conservative – like curtailing greenhouse gas emissions so that we can Conserve the environment.”

— Neil deGrasse Tyson

416. “Note, however, that you cannot simply add temperatures the way you can add volumes or weights. Two people in bed, each with body temperatures of 98.6 degrees Fahrenheit, do not normally create a 197.2 degree under-the-cover oven.”

— Neil deGrasse Tyson

417. “These waves, predicted by Einstein, are ripples moving at the speed of light across the fabric of space-time, and are generated by severe gravitational disturbances, such as the collision of two black holes.”

— Neil deGrasse Tyson

418. “The greatest explorer of recent decades is not even human.”

— Neil deGrasse Tyson

419. “I don’t even understand why I have 1.7 million Twitter followers. Every day, I want to remind them and say, “Do you realize I’m an astrophysicist? Do you know what you’re doing here?””

— Neil deGrasse Tyson

420. “Can space exist in the absence of matter, if matter defines the edge of space?” Merlin.”

— Neil deGrasse Tyson

421. “Not only that, this “negative gravity” will ultimately win the tug-of-war, as it forces the cosmic expansion to accelerate exponentially into the future.”

— Neil deGrasse Tyson

422. “We are born of this universe, we live in this universe, and the universe is in us.”

— Neil deGrasse Tyson

423. “The center line of science literacy – which not many people tell you, but I feel this strongly, and I will go to my grave making this point – is how you think.”

— Neil deGrasse Tyson

424. “We are only intelligent by our own measures.”

— Neil deGrasse Tyson

425. “Once something is answered, then there’s another question. Hence the eternal quest.”

— Neil deGrasse Tyson

426. “Throughout history, different cultures have produced creation myths that explain our origins as the result of cosmic forces shaping our destiny. These histories have helped us to ward off feelings of insignificance.”

— Neil deGrasse Tyson

427. “There is a growing awareness that we’re losing our technological competitive edge. I think there’s an awareness that we’re losing our leadership, and that maybe our self image over the past several decades has been a little bit delusional.”

— Neil deGrasse Tyson

428. “Even if you’re bad at math, you’re probably much better at it than the smartest chimpanzee, whose genetic identity varies in only trifling ways from ours.”

— Neil deGrasse Tyson

429. “Any time we are answer-driven rather than idea driven, we have lost the true meaning of education.”

— Neil deGrasse Tyson

430. “One of the things that fascinates me most is when people are so charmed by the universe that it becomes part of their artistic output.”

— Neil deGrasse Tyson

431. “Nebulium was simply the signature of ordinary oxygen doing extraordinary things.”

— Neil deGrasse Tyson

432. “If aliens ever give us a call, the Chinese will be the first to know.”

— Neil deGrasse Tyson

433. “You don’t need to be a scientist to know Earth’s age or that life evolved. You just need be one who embraces objective truths.”

— Neil deGrasse Tyson

434. “Nonetheless, they remind us that ignorance is the natural state of mind for a research scientist.”

— Neil deGrasse Tyson

435. “No one with a living room radio that was a piece of furniture at the time would say, gee. I want to carry that around on my hip pocket. That was not a thought until NASA initiated this whole exercise. So there’s an influence that’s not just spinoff.”

— Neil deGrasse Tyson

436. “Some morning while your eating breakfast and you need something new to think about, though, you might want to ponder the fact that you see your kids across the table not as they are but as they once were, about three nanoseconds ago.”

— Neil deGrasse Tyson

437. “If all mass has gravity, does all gravity have mass? We don’t know. Maybe there’s nothing wrong with the matter, and it’s the gravity we don’t understand.”

— Neil deGrasse Tyson

438. “No, it’s not Pluto. Get over it.”

— Neil deGrasse Tyson

439. “The universe has never made one of anything, so why would there even be one of itself?”

— Neil deGrasse Tyson

440. “But the moment the politicians start saying they are in denial of what the scientists are telling them, of what the consensus of scientific experiments demonstrates, that is the beginning of the end of an informed democracy.”

— Neil deGrasse Tyson

441. “But you will hardly ever read about them. Why? Because once again, the media has predetermined what is not worthy of coverage, even when the news item is something as uninteresting as the cosmic origin of every element in your body.”

— Neil deGrasse Tyson

442. “Yet every now and then, even a scientist can’t help thinking of the Periodic Table as a zoo of one-of-a-kind animals conceived by Dr. Seuss.”

— Neil deGrasse Tyson

443. “This leads me to ask how it came to be that Pluto is Mickey’s dog, but Mickey is not Pluto’s mouse. Something is awry in the taxonomic class of mammals in the Disney universe. I.”

— Neil deGrasse Tyson

444. “In America, there are people who don’t read science fiction but still think about tomorrow, so it’s not only the force of science-fiction that makes you a tomorrow thinker.”

— Neil deGrasse Tyson

445. “Would a NASA reality show “Lunar Shore” be more popular than “Jersey Shore?” Civilization’s future depends on that answer.”

— Neil deGrasse Tyson

446. “America 2012: The Learning Channel has HoneyBooBoo, History Channel has PawnStars: and the Science Channel has PumpkinChunkin.”

— Neil deGrasse Tyson

447. “Some of the water you just drank passed through the kidneys of Socrates, Genghis Khan, and Joan of Arc. Some of the air you just breathed passed through the lungs of Napoleon, Beethoven, Lincoln, and Billy the Kid.”

— Neil deGrasse Tyson

448. “I always wanted to be respected for my mind...”

— Neil deGrasse Tyson

449. “I don’t know about you, but the planet Saturn pops into my mind with every bite of a hamburger I take.”

— Neil deGrasse Tyson

450. “Space exploration may pull in the talent, but war pays the bills.”

— Neil deGrasse Tyson