A good scientist values criticism almost higher than friendship: no, in science criticism is the height and measure of friendship.
FRANCIS CRICKSince I essentially knew nothing, I had an almost completely free choice.
More Francis Crick Quotes
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It would appear that the number of nonsense triplets is rather low, since we only occasionally come across them. However this conclusion is less secure than our other deductions about the general nature of the genetic code.
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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.
FRANCIS CRICK -
You can do reverse engineering, but you can’t do reverse hacking.
FRANCIS CRICK -
A busy life is a wasted life.
FRANCIS CRICK -
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.
FRANCIS CRICK -
The ultimate aim of the modern movement in biology is in fact to explain all biology in terms of physics and chemistry.
FRANCIS CRICK -
It is notoriously difficult to define the word living.
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 -
God is a hacker, not an engineer.
FRANCIS CRICK -
Since I essentially knew nothing, I had an almost completely free choice.
FRANCIS CRICK -
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.
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The dangerous man is the one who has only one idea, because then he’ll fight and die for it.
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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.
FRANCIS CRICK -
If revealed religions have revealed anything it is that they are usually wrong.
FRANCIS CRICK







