A busy life is a wasted life.
FRANCIS CRICKExploratory 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.
More Francis Crick Quotes
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It has yet to be shown by direct biochemical methods, as opposed to the indirect genetic evidence mentioned earlier, that the code is indeed a triplet code.
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Rather than believe that Watson and Crick made the DNA structure, I would rather stress that the structure made Watson and Crick.
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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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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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It is notoriously difficult to define the word living.
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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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A good scientist values criticism almost higher than friendship: no, in science criticism is the height and measure of friendship.
FRANCIS CRICK -
A man who is right every time is not likely to do very much.
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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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Chance is the only source of true novelty.
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In my experience most mathematicians are intellectually lazy and especially dislike reading experimental papers. He seemed to have very strong biological intuitions but unfortunately of negative sign.
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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.
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My own prejudices are exactly the opposite of the functionalists’: “If you want to understand function, study structure”.
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Anybody who believes that the earth is less than 10,000 years old needs psychiatric help.
FRANCIS CRICK -
Protein synthesis is a central problem for the whole of biology, and that it is in all probability closely related to gene action.
FRANCIS CRICK







