The visionary lies to himself, the liar only to others.

The sick are the greatest danger for the healthy; it is not from the strongest that harm comes to the strong, but from the weakest.

Against the censurers of brevity. - Something said briefly can be the fruit of much long thought: but the reader who is a novice in this field, and has as yet reflected on it not at all, sees in everything said briefly something embryonic, not without censuring the author for having served him up such immature and unripened fare.

Remain true to the earth.

There are few pains so grievous as to have seen, divined, or experienced how an exceptional man has missed his way and deteriorated

One should never know too precisely whom one has married

For such is man: a Theological Dogma might be refuted to him a thousand times - provided however, that he had need of it, he would again and again accept it as true. Belief is always most desired, most pressingly needed where there is a lack of will. Fanaticism is the sole "volitional strength" to which the weak and irresolute can be excited, as a sort of hypnotising of the entire sensory-intellectual system.