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Biologists must constantly keep in mind that what they see was not designed, but rather evolved.

Francis Crick

It is essential to understand our brains in some detail if we are to assess correctly our place in this vast and complicated universe we see all around us.
FRANCIS CRICK

Brain Complication Detail Essential Place See Understand Universe
A theory should not attempt to explain all the facts, because some of the facts are wrong.
FRANCIS CRICK

Explanation Fact Theory Wrong
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 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
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
Evolution is cleverer than you are.
FRANCIS CRICK

Clever Evolution Yourself
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
A busy life is a wasted life.
FRANCIS CRICK

Busy Life One Liner Wasted Time
Biologists must constantly keep in mind that what they see was not designed, but rather evolved.
FRANCIS CRICK

Biology Design Evolution Mindset Science See
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

Human Kind Man Reproduction Run
You can do reverse engineering, but you can’t do reverse hacking.
FRANCIS CRICK

Professional Technology Yourself
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
Chance is the only source of true novelty.
FRANCIS CRICK

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

Believe Earth Help Need. Mental Old
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

Biologists must constantly keep in mind that what they see was not designed, but rather evolved.

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Biologists must constantly keep in mind that what they see was not designed, but rather evolved.

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