The larger the island of knowledge, the longer the shoreline of wonder.

Wisdom requires that we pour a little oil of delicate courtesy on the wheels of friendship.

Freedom is not caprice, but room to enlarge

There arealways two forces warring against each other within us.

The warexisting between the senses and reason.

The greatest intelligence is precisely the one that suffers most from its own limitations.

Peoplewho are too concerned with how well they are doing will be less successfuland feel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation,or between extrinsic and intrinsic motivation…

When regard for truth has been broken down or evenslightly weakened, all things will remain doubtful.

A manshould never be ashamed to own he has been in the wrong, which is but saying,in other words, that he is wiser today than he was yesterday.

One should never rub bottoms with a porcupine.

Alwaysforgive your enemies. Nothing annoys them so much.

Duty largely consists of pretending that the trivial is critical