It is notoriously difficult to define the word living.
FRANCIS CRICKHow 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.
More Francis Crick Quotes
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In my experience most mathematicians are intellectually lazy.
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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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Since I essentially knew nothing, I had an almost completely free choice.
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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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Exact knowledge is the enemy of vitalism.
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Biologists must constantly keep in mind that what they see was not designed, but rather evolved.
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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 good scientist values criticism almost higher than friendship: no, in science criticism is the height and measure of friendship.
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Chance is the only source of true novelty.
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One 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.
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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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If revealed religions have revealed anything it is that they are usually 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.
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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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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