Who digs a pit for others will fall in themselves.

Silence is argument carried out by other means.

The problem with communication is the illusion that is has occurred.

At times, it is better to keep your mouth shut and let people wonder if you are a fool than to open it and remove all doubt.

If you arepatient in a moment of anger, you will escape a hundred days of sorrow.

The singlemost powerful tool for winning a negotiation is the ability to get up andwalk away from the table without a deal.

The exercise of power is determined by thousands ofinteractions between the world of the powerful and that of the powerless, allthe more so because these worlds are never divided by a sharp line: everyonehas a small part of himself in both.

Facts do not cease to exist because they are ignored.

Dig a well before you are thirsty.

Few things are harder to pus up with than the annoyance of a good example.

Eyes are more accurate witness than ears

The last function of reason is to recognize that there is an infinity of things which surpass it.