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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.

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

Evidence Freedom Science System
Chance is the only source of true novelty.
FRANCIS CRICK

Chance Novel True
Christianity may be OK between consenting adults in private but should not be taught to young children.
FRANCIS CRICK

Children Privacy Religion Teaching Young
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
A good scientist values criticism almost higher than friendship: no, in science criticism is the height and measure of friendship.
FRANCIS CRICK

Criticism Friendship Goodness Measurement Science Value
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
There is no form of prose more difficult to understand and more tedious to read than the average scientific paper.
FRANCIS CRICK

Average Difficult Paper Reading Science Understand
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
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.
FRANCIS CRICK

Expression Motivational Myself Strong Work
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.
FRANCIS CRICK

Generation Hard Nature Strike
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 has not escaped our notice that the specific pairing we have postulated immediately suggests a possible copying mechanism for the genetic material.
FRANCIS CRICK

Escape Eyes Notice Ourselves Possible Science
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

Action Biology Problem
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
The ultimate aim of the modern movement in biology is in fact to explain all biology in terms of physics and chemistry.
FRANCIS CRICK

Biology Chemistry Explanation Fact Modern Movement
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

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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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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