What men want is not knowledge but certainty.

Beware the man of the single book

Belief systems provide a programme that relieves the necessity of thought.

There is much pleasure to be gained from useless knowledge.

Fools and fanatics are always so certain of themselves.

War doesn't determine who's right, it determines who's left

Life is nothing but a competition to be the criminal rather than the victim.

The best life is the one in which the creative impulses play the largest part and the possessive impulses the smallest.

The fact that an opinion has been widely held is no evidence that it is not utterly absurd.

A smile happens in a flash, but its memory can last a lifetime.

To understand the actual world as it is, not as we should wish it to be, is the beginning of wisdom.

No great achievement is possible without persistent work.

To realize the unimportance of time is the gate to wisdom.

Organized people are just too lazy to look for things

The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt.

Few people can be happy unless they hate some other person, nation, or creed.

I would never die for my beliefs because I might be wrong.

The secret to happiness is to face the fact that the world is horrible.

Even when the experts all agree, they may well be mistaken.