The alternative to thinking in evolutionary terms is not to think at all.

Scientific reasoning is a dialogue between the possible and the actual, between proposal and disposal between what might be true, and what is in fact the case.

Is the Scientific Paper a Fraud?

Today the world changes so quickly that in growing up we take leave not just of youth but of the world we were young in.

I cannot give any scientist of any age better advice than this: the intensity of a conviction that a hypothesis is true has no bearing over whether it is true or not.

Innocent, unbiased observation is a myth.

The human mind treats a new idea the same way the body treats a strange protein; it rejects it.

Heredity proposes and development disposes.

The art of research [is] the art of making difficult problems soluble by devising means of getting at them.

If a scientist were to cut his ear off, no one would take it as evidence of a heightened sensibility.

If politics is the art of the possible, research is surely the art of the soluble. Both are immensely practical-minded affairs.

You see, the strangeness of my case is that now I no longer fear the invisible, I’m terrified by reality.

Five years of someone's life is too much to lose over a throwaway comment.

Dwelling on thoughts gives birth to feelings.

Eventually, somebody is going to be a hero, and somebody's going to be president. Not necessarily the same person.

I wish I could tell my parents, " If you want to help me, help me die.

It is an emotion that makes us act as if for the good of the group; an emotion that brings pleasure, pride, or even thrills from coordinated group activity.

I find it fascinating to see the fact that women want to buy things that they see on men.

Anyone watching '30 Rock' always knew Tina Fey was playing a fictionalized version of herself, a workaholic comedy writer who also plays one on TV. She's the boss; Liz Lemon just works here.

Don’t wait any longer. Dive in the ocean, Leave and let the sea be you.

We're going to take out seven countries in 5 years, starting with Iraq, and then Syria, Lebanon, Libya, Somalia, Sudan and, finishing off, Iran.