Humanity's savageness is what makes it civilized. Technology, trade, computers, space travel. All are products of competition and conflict.

Fear is no crime. But acting from fear is. Know that you're going to lose everything one day, whether you fear to lose it or not.

The ability to kill someone doesn't make you a leader, and it doesn't make someone great. There's nothing great about dying or taking a life.

Every time there was conquest, it brought trade, new ideas, and inventions. They made civilization evolve to new heights. Humans soar on the wings of our violent nature. There's no other way.

Blind risk is stupid, but calculated risks are worth taking.

The trick is in what one emphasizes. We either make ourselves miserable, or we make ourselves happy. The amount of work is the same.

A high heart ought to bear calamities and not flee them since in bearing them appears the grandeur of the mind and in fleeing them the cowardice of the heart.

I think what's important is to give space to the range of human experience.

There is nothing so habit-forming as money.

I listen to crazy, robust rock music where they sing their faces off, and soul music, which can be similar.

The oncoming trouble I speak of is climate change. It's going to affect all of you in the same way the Second World War consumed people of my parent's generation.

There was something peculiarly gratifying about shouting in a blind rage until your words ran out.

He who knows does not feel wonder. It could not be said that God experiences wonder, for God knows in the most absolute and perfect way.

Everyone knows what search engines are. But relatively few know how to use them effectively.

Health lies in labor, and there is no royal road to it but through toil.