It is necessary to keep one's compass in one's eyes and not in the hand, for the hands execute, but the eye judges.

A person reveals his character by nothing so clearly as the joke he resents.

Turn your wounds into wisdom.

Men become wise just as they become rich, more by what they save than by what they receive.

Tomorrow hopes we have learned something from yesterday.

Tact is the knack of making a point without making an enemy.

The future is uncertain but the end is always near.

Don't criticize what you can't understand.

If we do not lay out ourselves in the service of mankind whom should we serve?

No man has any natural authority over his fellow men.

Medicine heals diseases of the body, wisdom frees the soul from passions.

Those who dance are considered insane by those who cannot hear the music.

How often I found where I should be going only by setting out for somewhere else.

Above all be of single aim; have a legitimate and useful purpose, and devote yourself unreservedly to it.

Having a great intellect is no path to being happy.

Knowing is not enough, we must apply. Willing is not enough, we must do.

All great achievements require time.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more

The one you buy will be the only one that doesn't work.

Thought can be so seductive and hypnotic that it absorbs your attention totally, so you become your thoughts.

Those who see the invisible can do the impossible.