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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

Anybody who believes that the earth is less than 10,000 years old needs psychiatric help.
FRANCIS CRICK

Believe Earth Help Need. Mental Old
A busy life is a wasted life.
FRANCIS CRICK

Busy Life One Liner Wasted Time
Chance is the only source of true novelty.
FRANCIS CRICK

Chance Novel True
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
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.
FRANCIS CRICK

Education Learning People Research Work
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
Avoid the temptation to work so hard that there is no time left for serious thinking.
FRANCIS CRICK

Avoid Serious Temptation Thinking Time
My own prejudices are exactly the opposite of the functionalists’: “If you want to understand function, study structure”.
FRANCIS CRICK

Function Prejudice Science Study Understand Yourself
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
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
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
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
Again the message to experimentalists is: Be sensible but don’t be impressed too much by negative arguments. If at all possible, try it and see what turns up. Theorists almost always dislike this sort of approach.
FRANCIS CRICK

Argument Experiment Impression Negative Possible
If, for example, all the codons are triplets, then in addition to the correct reading of the message, there are two incorrect readings which we shall obtain if we do not start the grouping into sets of three at the right place.
FRANCIS CRICK

Correction Group Place Reading Right Start
If revealed religions have revealed anything it is that they are usually wrong.
FRANCIS CRICK

Religion Reveal Wrong
Evolution is cleverer than you are.
FRANCIS CRICK

Clever Evolution Yourself

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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