People who think honestly and deeply have a hostile attitude towards the public.

Whatever liberates our spirit, without also giving us mastery over ourselves, is destructive.

If everyone sweeps before his own front door, then the street is clean.

What makes poetry? A full heart, brimful of one noble passion.

Treat people the way they are and they will stay that way. Treat people the way they can become and they will become that way.

Normally, people believe that, if they hear just words, that these words must lead to some thought.

Investigate what is, and not what pleases.