What truly leads the evolutionary procession, in other words, is behavior.

Do you care about freedom? Dreams may have inspired it, and wishes prompted it, but only war and weapons have made it yours.

We are born of risen apes, not fallen angels.

Aggressiveness is the principal guarantor of survival.

We were born of risen apes, not fallen angels, and the apes were armed killers besides. And so what shall we wonder at? Our murders and massacres and missiles, and our irreconcilable regiments?

Man is a fraction of the animal world. Our history is an afterthought, no more, tacked to an infinite calendar. We are not so unique as we should like to believe.

What could not be denied was that in vast segments of the animal world natural selection of the most qualified individuals took place not by competition for females but by competition for space.

There is a virtue, I must presume, in shamelessness, since by placing on parade the things one does not know, one discovers that no one else knows either.

The dog barking at you from behind his master's fence acts for a motive indistinguishable from that of his master when the fence was built.

Human war has been the most successful of our cultural traditions.

The miracle of man is not how far he has sunk but how magnificently he has risen. We are known among the stars by our poems, not our corpses.

Only those things are beautiful which are inspired by madness and written by reason.

All great achievements of humanity begin with the madness of a few lion-hearts.

...talent means nothing, while experience, acquired in humility and with hard work, means everything.

IQ in general has improved since tests first began. Psychologists think that this is because modern life becomes ever more complicated.

The subject’s pulse increased on contact,” he said. “Don’t write that.

Thee will find out in time that I have a great love of professing vile sentiments, I don't know why, unless it springs from long efforts to avoid priggery.

If you're a good numbers person, you're a bad language person.

His eyes held hers. “Because I knew, ten seconds after walking into this office and meeting you, that we had this in the bag.

Why does God allow evil in the world? To thicken the plot.

What I've always liked about photography is that it's such a direct way of showing what's on my mind. I see something. I show it to you.