For as long as they praise you, never forget that it is not yet your own path that you walk, but another person's.

...the only psychologist from whom I have anything to learn.

There will be but few people who, when at a loss for topics of conversation, will not reveal the more secret affairs of their friends.

A moral system valid for all is basically immoral.

There is not sufficient religion in the world merely to put an end to the number of religions.

So long as men praise you, you can only be sure that you are not yet on your own true path but on someone else's.

you must be ready to burn yourself in your own flame; how could you rise anew if you have not first become ashes?