If yet your blood does not rage, then it is water that flows in your veins.

No part of the education of a politician is more indispensable than the fighting of elections. 

Part of what made the Macintosh great was that the people working on it were musicians, poets, and artists, and zoologists, and historians. They also happened to be the best computer scientists in the world. But if it hadn't been computer science, these people would have been doing amazing things in other fields.

There are only two styles of portrait painting; the serious and the smirk.

I do not believe in immortality of the individual, and I consider ethics to be an exclusively human concern with no superhuman authority behind it.  

The difference between what we do and what we are capable of doing would suffice to solve most of the world's problems.

Ours is one continued struggle against degradation sought to be inflicted upon us by the European, who desire to degrade us to the level of the raw Kaffir, whose occupation is hunting and whose sole ambition is to collect a certain number of cattle to buy a wife with, and then pass his life in indolence and nakedness.

Generally speaking, if a human being never shows anger, then I think something's wrong. He's not right in the brain.

Happiness is when what you think, what you say, and what you do are in harmony.

The men who learn endurance, are they who call the whole world, brother.

Most of the fundamental ideas of science are essentially simple, and may, as a rule, be expressed in a language comprehensible to everyone.

It always seems impossible until it's done.