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.
FRANCIS CRICKIn the fullness of time, educated people will believe there is no soul independent of the body, and hence no life after death.
More Francis Crick Quotes
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Biologists must constantly keep in mind that what they see was not designed, but rather evolved.
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It is one of the more striking generalizations of biochemistry – which surprisingly is hardly ever mentioned in the biochemical textbooks – that the twenty amino acids and the four bases, are, with minor reservations, the same throughout Nature.
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In my experience most mathematicians are intellectually lazy.
FRANCIS CRICK -
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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It is not easy to convey, unless one has experienced it, the dramatic feeling of sudden enlightenment that floods the mind when the right idea finally clinches into place.
FRANCIS CRICK -
Rather than believe that Watson and Crick made the DNA structure, I would rather stress that the structure made Watson and Crick.
FRANCIS CRICK -
The 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.
FRANCIS CRICK -
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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The dangerous man is the one who has only one idea, because then he’ll fight and die for it.
FRANCIS CRICK -
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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If revealed religions have revealed anything it is that they are usually wrong.
FRANCIS CRICK -
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.
FRANCIS CRICK -
You can do reverse engineering, but you can’t do reverse hacking.
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When you start in science, you are brainwashed into believing how careful you must be, and how difficult it is to discover things. There’s something that might be called the ‘graduate student syndrome’; graduate students hardly believe they can make a discovery.
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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.
FRANCIS CRICK