Learn to be as analytical about things of which you are credulous as you are of those which you criticise.

... 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.

The secret of Sufism is that it has no secret at all'.

Anyone can see that an ass laden with books remains a donkey. A human being laden with the undigested results of a tussle with thoughts and books, however, still passes for wise.

Premature independence is the daughter of conceit.

The impatient man is his own enemy; he slams the door on his own progress.

A man who believes the word of a donkey in preference to my word does not deserve to be lent anything.