Let no one trust so entirely to natural prudence as to persuade himself that it will suffice to guide him without help from experience.

Ambassadors are the eye and ear of states.

Ambition is not in itself an evil; nor is he to be condemned whose spirit prompts him to seek fame by worthy and honourable ways.

Experience has always shown, and reason also, that affairs which depend on many seldom succeed.

The return we reap from generous actions is not always evident.

How much luckier than all the rest of mankind are the astrologers who, if they tell one truth among a hundred lies, obtain so much credit that even their lies are believed.

There is nothing so fleeting as the memory of benefits received.