Tranquility will roof a house, but discord can wear away the foundation of a city.

The soul would have no rainbow, if the eyes had no tears.

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.

Conflictleads to less-than-adequate performance, resentments, and lack of motivation.

EDUCATION BEGINS WITH LIFE.

Tact is the ability to make a person see the lightning without letting him feel the bolt.

When there is no enemy within, the enemies outside cannothurt you.

When you ask from a stranger that which is of interest only to yourself, always enclose a stamp

I know youbelieve you understand what you think I said, but I'm not sure you realizethat what you heard isn't what I meant.

Inspiration comes of working every day.

Oppositesattract and then can't stand each other.

One of the function of intelligence is to take account of the dangers that come from trusting solely to the intelligence.