Anybody who believes that the earth is less than 10,000 years old needs psychiatric help.
FRANCIS CRICKThe balance of evidence both from the cell-free system and from the study of mutation, suggests that this does not occur at random, and that triplets coding the same amino acid may well be rather similar.
More Francis Crick Quotes
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It is essential to understand our brains in some detail if we are to assess correctly our place in this vast and complicated universe we see all around us.
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It is notoriously difficult to define the word living.
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If the code does indeed have some logical foundation then it is legitimate to consider all the evidence, both good and bad, in any attempt to deduce it.
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Biologists must constantly keep in mind that what they see was not designed, but rather evolved.
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How is the base sequence, divided into codons? There is nothing in the backbone of the nucleic acid, which is perfectly regular, to show us how to group the bases into codons.
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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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Protein synthesis is a central problem for the whole of biology, and that it is in all probability closely related to gene action.
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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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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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My own prejudices are exactly the opposite of the functionalists’: “If you want to understand function, study structure”.
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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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Exact knowledge is the enemy of vitalism.
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A man who is right every time is not likely to do very much.
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If revealed religions have revealed anything it is that they are usually wrong.
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God is a hacker, not an engineer.
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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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A busy life is a wasted life.
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Since I essentially knew nothing, I had an almost completely free choice.
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Avoid the temptation to work so hard that there is no time left for serious thinking.
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Christianity may be OK between consenting adults in private but should not be taught to young children.
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A good scientist values criticism almost higher than friendship: no, in science criticism is the height and measure of friendship.
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You’re nothing but a pack of neurons.
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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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It seems likely that most if not all the genetic information in any organism is carried by nucleic acid – usually by DNA, although certain small viruses use RNA as their genetic material.
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We have to take away from humans in the long run their reproductive autonomy as the only way to guarantee the advancement of mankind.
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In my experience most mathematicians are intellectually lazy.
FRANCIS CRICK