Anybody who believes that the earth is less than 10,000 years old needs psychiatric help.
FRANCIS CRICKOne of the most frightening things in the Western world, and in this country in particular, is the number of people who believe in things that are scientifically false. If someone tells me that the earth is less than 10,000 years old, in my opinion he should see a psychiatrist.
More Francis Crick Quotes
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There is no form of prose more difficult to understand and more tedious to read than the average scientific paper.
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You’re nothing but a pack of neurons.
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For simplicity one can think of the + class as having one extra base at some point or other in the genetic message and the – class as having one too few.
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Again the message to experimentalists is: Be sensible but don’t be impressed too much by negative arguments. If at all possible, try it and see what turns up. Theorists almost always dislike this sort of approach.
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We are sometimes asked what the result would be if we put four +’s in one gene. To answer this my colleagues have recently put together not merely four but six +’s.
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It is notoriously difficult to define the word living.
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I also suspect that many workers in this field [molecular biology] and related fields have been strongly motivated by the desire, rarely actually expressed, to refute vitalism.
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Almost all aspects of life are engineered at the molecular level, and without understanding molecules we can only have a very sketchy understanding of life itself.
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The ultimate aim of the modern movement in biology is in fact to explain all biology in terms of physics and chemistry.
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Chance is the only source of true novelty.
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A final proof of our ideas can only be obtained by detailed studies on the alterations produced in the amino acid sequence of a protein by mutations of the type discussed here.
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An honest man, armed with all the knowledge available to us now, could only state that in some sense, the origin of life appears at the moment to be almost a miracle, so many are the conditions which would have had to have been satisfied to get it going.
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A busy life is a wasted life.
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A theory should not attempt to explain all the facts, because some of the facts are wrong.
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There is no scientific study more vital to man than the study of his own brain. Our entire view of the universe depends on it.
FRANCIS CRICK