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The ultimate aim of the modern movement in biology is in fact to explain all biology in terms of physics and chemistry.

Francis Crick

A theory should not attempt to explain all the facts, because some of the facts are wrong.
FRANCIS CRICK

Explanation Fact Theory Wrong
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
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
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

Biology Information Material Myself Science
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
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
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
Christianity may be OK between consenting adults in private but should not be taught to young children.
FRANCIS CRICK

Children Privacy Religion Teaching Young
Exact knowledge is the enemy of vitalism.
FRANCIS CRICK

Enemy Knowledge One Liner
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
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
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
In my experience most mathematicians are intellectually lazy.
FRANCIS CRICK

Experience Intellectual Mathematics
A final proof of our ideas can only be obtained by detailed studies on the alterations produced in the amino acid sequence of a protein by mutations of the type discussed here.
FRANCIS CRICK

Detail Evidence Ideas Ourselves Science Type
You’re nothing but a pack of neurons.
FRANCIS CRICK

Existence Science Yourself
Biologists must constantly keep in mind that what they see was not designed, but rather evolved.
FRANCIS CRICK

Biology Design Evolution Mindset Science See

The ultimate aim of the modern movement in biology is in fact to explain all biology in terms of physics and chemistry.

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The ultimate aim of the modern movement in biology is in fact to explain all biology in terms of physics and chemistry.

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