There are certain inessential activities-moths of precious time-and it is worse to busy yourself with the trivial than to do nothing.

True knowledge lies in knowing how to live.

I strive to be brief, and I become obscure.

The best remedy for disturbances is to let them run their course, for so they quiet down.

For a thing to remain undone nothing more is needed than to think of it done.

A single lie destroys a whole reputation for integrity.

Man is born a barbarian, and only raises himself above the beast by culture.