One of the main causes of trouble in the world is dogmatic and fanatical belief in some doctrine for which there is no adequate evidence

The good life is one inspired by love and guided by knowledge.

The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.

The time you enjoy wasting is not wasted time.

Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.

Men are born ignorant, not stupid. They are made stupid by education.

An Honest politician will not be tolerated by a democracy unless he is very stupid ... because only a very stupid man can honestly share the prejudices of more than half the nation.

If there were in the world today any large number of people who desired their own happiness more than they desired the unhappiness of others, we could have a paradise in a few years.

We have in fact, two kinds of morality, side by side: one which we preach, but do not practice, and another which we practice, but seldom preach.

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

Cruel men believe in a cruel god and use their belief to excuse their cruelty. Only kindly men believe in a kindly god, and they would be kindly in any case.

The actual writing would be easy. All he had to do was to transfer to paper the interminable restless monologue that had been running inside his head, literally for years.

What will make you great today will never make you great tomorrow! The airplane that Wilbur and Orville Wright invented in 1906 would be seen as a scrap today. It becomes valueless with time.

Dogs don't rationalize. They don't hold anything against a person. They don't see the outside of a human but the inside of a human.

Don't change your mind just because people are offended; change your mind if you're wrong.

If the schooling system does not rapidly close the gap between what it does, and what it should do in response to the demands of the 21st century, it will simply become irrelevant.

No riches from his scanty store / My lover could impart; / He gave a boon I valued more - / He gave me all his heart!

As you explore your inner world, your outer world will come more sharply into focus. As you face your imagined barriers, you will encounter real ones, as well.

Brutality is sometimes easier to endure than ridicule.

You can be a star here in Europe and not be known at all in the United States.

Obviously there are a lot of 12-year-olds over in America who are incredible singers.