He who truly believes that which prompts him to an action has looked upon the action to lust after it, he has committed it already in his heart.

Every rustic who delivers in the village alehouse his slow, infrequent sentences, may help to kill or keep alive the fatal superstitions which clog his race.

A little reflection will show us that every belief, even the simplest and most fundamental, goes beyond experience when regarded as a guide to our actions.

We may always depend on it that algebra, which cannot be translated into good English and sound common sense, is bad algebra.

This sense of power is the highest and best of pleasures when the belief on which it is founded is a true belief, and has been fairly earned by investigation.

No simplicity of mind, no obscurity of station, can escape the universal duty of questioning all that we believe.

When an action is once done, it is right or wrong for ever; no accidental failure of its good or evil fruits can possibly alter that.

All our liberties are due to men who, when their conscience has compelled them, have broken the laws of the land.

To know all about anything is to know how to deal with it under all circumstances.

The harm which is done by credulity in a man is not confined to the fostering of a credulous character in others, and consequent support of false beliefs.

An atom must be at least as complex as a grand piano.

The darkness had not overcome the light.

Steroids can seem necessary to compete at the highest levels, and the quick rewards can outweigh the long term consequences to the user's health.

The book is openly a kind of spiritual autobiography, but the trick is that on any other level it's a kind of insane collage of fragments of memory.

Sometimes the most hurtful thing is the silence of friends, not the words of enemies

Independent contractors - a rapidly growing piece of the workforce - can often achieve the best quality of life. They can choose from where they work, whom they work for and for how long.

Most of the money I make now comes from investments from CrunchFund. And the vast majority of that is what's called carried interest.

Criticism is like medicine. It’s poison unless carefully administered at the right dose.

It is true that all of the current presidential candidates once denied that they had any intention of running. But the fact that I am also a liar, doesn't make me a candidate.

I can tell how I'm doing, and I can tell if the crowd is particularly dead.

Successful people jump at opportunity and take advantage of it.