A life without adventure is likely to be unsatisfying, but a life in which adventure is allowed to take whatever form it will is sure to be short.

If you wish to be happy yourself, you must resign yourself to seeing others also happy.

Ignore fact and reason, live entirely in the world of your own fantastic and myth-producing passions; do this whole-heartedly and with conviction, and you will become one of the prophets of your age.

Shakespeare . . . If he does not give you delight, you had better ignore him [if you can].

It has become a commonplace that aggressiveness also often has its roots in fear. I am inclined to think that this theory has been pushed too far. [...] The type of aggressiveness that is the outcome of timidity is not, I think, that which inspires great leaders; the great leaders, I should say, have an exceptional self-confidence which is not only on the surface, but penetrates deep into the subconscious.

Boredom is... a vital problem for the moralist, since half the sins of mankind are caused by the fear of it.

A hallucination is a fact, not an error; what is erroneous is a judgment based upon it.