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It is notoriously difficult to define the word living.

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.
FRANCIS CRICK

Honesty Knowledge Life Man Miracle Satisfaction State
It is notoriously difficult to define the word living.
FRANCIS CRICK

Difficult Live World
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

Biology Code Direction Evidence Science
Christianity may be OK between consenting adults in private but should not be taught to young children.
FRANCIS CRICK

Children Privacy Religion Teaching Young
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 CRICK

Agreement Comparison Measurement Production
In the fullness of time, educated people will believe there is no soul independent of the body, and hence no life after death.
FRANCIS CRICK

Body Death Education People Soul Time
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.
FRANCIS CRICK

Determination Listen Sound Structure Try
Biologists must constantly keep in mind that what they see was not designed, but rather evolved.
FRANCIS CRICK

Biology Design Evolution Mindset Science See
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.
FRANCIS CRICK

Life Science Understand
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.
FRANCIS CRICK

Bad Evidence Foundation Goodness Legal Logic
Free will is located in or near the anterior cingulate sulcus.
FRANCIS CRICK

Freedom Location
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.
FRANCIS CRICK

Appearance Nature Ourselves Security
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.
FRANCIS CRICK

Division Group Science
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.
FRANCIS CRICK

Believe Difficult Discover Hard Science Start Yourself
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

Evidence Freedom Science System
Rather than believe that Watson and Crick made the DNA structure, I would rather stress that the structure made Watson and Crick.
FRANCIS CRICK

Believe Myself Structure

It is notoriously difficult to define the word living.

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It is notoriously difficult to define the word living.

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