A busy life is a wasted life.

Francis Crick

How do I know what I think until I hear what I say?

Francis Crick

The dangerous man is the one who has only one idea, because then he'll fight and die for it.

Francis Crick

Human beings... are far too prone to generalize from one instance. The technical word for this, interestingly enough, is superstition.

Francis Crick

There is no scientific study more vital to man than the study of his own brain. Our entire view of the universe depends on it.

Francis Crick

Christianity may be OK between consenting adults in private but should not be taught to young children.

Francis Crick

All approaches at a higher level are suspect until confirmed at the molecular level.

Francis Crick

I had discovered the gossip test—what you are really interested in is what you gossip about.

Francis Crick

If revealed religions have revealed anything it is that they are usually wrong.

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

God is a hacker, not an engineer.

Francis Crick

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

Francis Crick