The 'kingdom of Heaven' is a condition of the heart - not something that comes 'upon the earth' or 'after death.'

Against boredom even gods struggle in vain.

To be the equal of one's opponent-this is the first condition of an honourable duel.

We are most unfair to God; we do not allow Him to sin.

Because men really respect only that which was founded of old and has developed slowly, he who wants to live on after his death must take care not only of his posterity but even more of his past.

Life is a well of joy; but for those out of whom an upset stomach speaks, which is the father of melancholy, all wells are poisoned.

Happiness is a fata morgana. the only way to not end up unhappy is to not long for happiness.