If you want to strengthen an enemy and make him exult - hate him.

A real secret is something which only one person knows.

Man (and woman) has an infinite capacity for self-development. Equally, he has an infinite capacity for self-destruction. A human being may be clinically alive and yet, despite all appearances, spiritually dead.

People who speak or act in an ordinary fashion are most likely to be those who have been the recipients of higher experiences. But because they do not rage around, wild-eyed, people think that they are very ordinary folk and therefore not aware of anything unknown to the general run of man.

If you want to make an ordinary man happy, or think that he is happy, give him money, power, flattery, gifts, honours. If you want to make a wise man happy - improve yourself!

... when we are talking about 'Christians' and 'Moslems' we must first make sure that we are talking about people who have an idea, which should be more or less correct, as to what the other is supposed to believe and what he is expected to do as a consequence of that belief.

Opinion is usually something which people have when they lack comprehensive information.