"Be careful when you fight the monsters, lest you become one."

"Wisdom sets bounds even to knowledge."

"Experience, as a desire for experience, does not come off. We must not study ourselves while having an experience."

"He who despises himself esteems himself as a self-despiser."

"We are always in our own company."

"Convictions are more dangerous enemies of truth than lies."

"Upon those who step into the same rivers different and ever different waters flow down."

"He had discovered a great law of human action, without knowing it - namely, that in order to make a man or a boy covet a thing, it is only necessary to make the thing difficult to obtain."

"Only eyes washed by tears can see clearly."

"I'm glad we don't have to play in the shade."

"Oil prices have fallen lately. We include this news for the benefit of gas stations, which otherwise wouldn't learn of it for six months."

"The only aspect of our travels that is interesting to others is disaster."