Growth in wisdom can be measured precisely by decline in bile.

Whoever deliberately attempts to insure confidentiality with another person is usually in doubt as to whether he inspires that person's confidence in him. One who is sure that he inspires confidence attaches little importance to confidentiality.

Time, space, and causality are only metaphors of knowledge, with which we explain things to ourselves.

Each word of Heraclitus expresses the pride and the majesty of truth, but of truth grasped in intuitions rather than attained by the rope ladder of logic.

Really unreflective people are now inwardly without Christianity, and the more moderate and reflective people of the intellectual middle class now possess only an adapted, that is to say marvelously simplified Christianity. A god who in his love arranges everything in a manner that in the end will be best for us; a god who gives to us and takes from us our virtue and our happiness, so that as a whole all is meet and fit and there is no reason for us to take life sadly, let alone exclaim against it; in short, resignation and modest demands elevated to godhead

The growth of wisdom may be gauged exactly by the diminution of ill-temper.

So long as the priest, that professional negator, slanderer and poisoner of life, is regarded as a superior type of human being, there cannot be any answer to the question: What is Truth?