Sometimes in conversation the sound of our own voice distracts us and misleads us into making assertions that in no way express our true opinions.

Without meaning, without substance, without aim: a mere 'public opinion'.

Physician, help yourself: thus help your patient too. Let this be his best help: that he may behold with his eyes the man who heals himself.

A thought, even a possibility, can shatter and transform us.

Whoever regards human beings as a herd and flees them as swiftly as he can will no doubt be overtaken by them and impaled on theirhorns.

The pure soul is a pure lie.

It is not to everyone's taste that truth should be pronounced pleasant. But at least let no one believe that error becomes truth when it is pronounced unpleasant.