Biologists must constantly keep in mind that what they see was not designed, but rather evolved.
FRANCIS CRICKThe ultimate aim of the modern movement in biology is in fact to explain all biology in terms of physics and chemistry.
More Francis Crick Quotes
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Exploratory research is really like working in a fog. You don’t know where you’re going. You’re just groping. Then people learn about it afterwards and think how straightforward it was.
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A knowledge of the true age of the Earth and of the fossil record makes it impossible for any balanced intellect to believe in the literal truth of every part of the Bible in the way that fundamentalists do.
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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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It is notoriously difficult to define the word living.
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Exact knowledge is the enemy of vitalism.
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Trying to determine the structure of a protein by UV spectroscopy was like trying to determine the structure of a piano by listening to the sound it made while being dropped down a flight of stairs.
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Since I essentially knew nothing, I had an almost completely free choice.
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Free will is located in or near the anterior cingulate sulcus.
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A comparison between the triplets tentatively deduced by these methods with the changes in amino acid sequence produced by mutation shows a fair measure of agreement.
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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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You’re nothing but a pack of neurons.
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Evolution is cleverer than you are.
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If, for example, all the codons are triplets, then in addition to the correct reading of the message, there are two incorrect readings which we shall obtain if we do not start the grouping into sets of three at the right place.
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Chance is the only source of true novelty.
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A man who is right every time is not likely to do very much.
FRANCIS CRICK