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Top 15 Theodosius Dobzhansky Quotes (2025 Update)

Theodosius Dobzhansky Quote: “Nothing in biology makes sense except in the light of evolution.”

1. “Nothing in biology makes sense except in the light of evolution.”

— Theodosius Dobzhansky

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Theodosius Dobzhansky Quote: “Seen in the light of evolution, biology is, perhaps, intellectually the most satisfying and inspiring science. Without that light it becomes a pile of sundry facts – some of them interesting or curious but making no meaningful picture as a whole.”

2. “Seen in the light of evolution, biology is, perhaps, intellectually the most satisfying and inspiring science. Without that light it becomes a pile of sundry facts – some of them interesting or curious but making no meaningful picture as a whole.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “Nature’s stern discipline enjoins mutual help at least as often as warfare. The fittest may also be the gentlest.”

3. “Nature’s stern discipline enjoins mutual help at least as often as warfare. The fittest may also be the gentlest.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “Scientists often have a naive faith that if only they could discover enough facts about a problem, these facts would somehow arrange themselves in a compelling and true solution.”

4. “Scientists often have a naive faith that if only they could discover enough facts about a problem, these facts would somehow arrange themselves in a compelling and true solution.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “No evidence is powerful enough to force acceptance of a conclusion that is emotionally distasteful.”

5. “No evidence is powerful enough to force acceptance of a conclusion that is emotionally distasteful.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “Natural selection must be replaced by eugenical artificial selection. This idea constitutes the sound core of eugenics, the applied science of human betterment.”

6. “Natural selection must be replaced by eugenical artificial selection. This idea constitutes the sound core of eugenics, the applied science of human betterment.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “There is no doubt that human survival will continue to depend more and more on human intellect and technology. It is idle to argue whether this is good or bad. The point of no return was passed long ago, before anyone knew it was happening.”

7. “There is no doubt that human survival will continue to depend more and more on human intellect and technology. It is idle to argue whether this is good or bad. The point of no return was passed long ago, before anyone knew it was happening.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “Evolution as a process that has always gone on in the history of the earth can only be doubted by those who are ignorant of the evidence or are resistant to evidence, owing to emotional blocks or plain bigotry.”

8. “Evolution as a process that has always gone on in the history of the earth can only be doubted by those who are ignorant of the evidence or are resistant to evidence, owing to emotional blocks or plain bigotry.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “I am a creationist and an evolutionist. Evolution is God’s, or Nature’s method of creation. Creation is not an event that happened in 4004 BC; it is a process that began some 10 billion years ago and is still under way.”

9. “I am a creationist and an evolutionist. Evolution is God’s, or Nature’s method of creation. Creation is not an event that happened in 4004 BC; it is a process that began some 10 billion years ago and is still under way.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “Pat answers to complex problems are the hallmark of intellectual mediocrity.”

10. “Pat answers to complex problems are the hallmark of intellectual mediocrity.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “The more we know, the better we realize that our knowledge is a little island in the midst of an ocean of ignorance.”

11. “The more we know, the better we realize that our knowledge is a little island in the midst of an ocean of ignorance.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “Man is the only living being who has a developed self-awareness and death-awareness.”

12. “Man is the only living being who has a developed self-awareness and death-awareness.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “An accident, a random change, in any delicate mechanism can hardly be expected to improve it. Poking a stick into the machinery of one’s watch or one’s radio set will seldom make it work better.”

13. “An accident, a random change, in any delicate mechanism can hardly be expected to improve it. Poking a stick into the machinery of one’s watch or one’s radio set will seldom make it work better.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “Marxists are more right than wrong when they argue that the problems scientists take up,. the way they go about solving them, and even the solutions they arc inclined to accept, arc conditioned by the intellectual, social, and economic environments in which they live and work.”

14. “Marxists are more right than wrong when they argue that the problems scientists take up,. the way they go about solving them, and even the solutions they arc inclined to accept, arc conditioned by the intellectual, social, and economic environments in which they live and work.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “Evolutionary plasticity can be purchased only at the ruthlessly dear price of continuously sacrificing some individuals to death from unfavourable mutations. Bemoaning this imperfection of nature has, however, no place in a scientific treatment of this subject.”

15. “Evolutionary plasticity can be purchased only at the ruthlessly dear price of continuously sacrificing some individuals to death from unfavourable mutations. Bemoaning this imperfection of nature has, however, no place in a scientific treatment of this subject.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “Education is not to be used to promote obscurantism.”

16. “Education is not to be used to promote obscurantism.”

— Theodosius Dobzhansky

Theodosius Dobzhansky Quote: “It is ludicrous to mistake the Bible and the Koran for primers of natural science.”

17. “It is ludicrous to mistake the Bible and the Koran for primers of natural science.”

— Theodosius Dobzhansky

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