Knowledge speaks, but wisdom listens

One who gains strength by overcoming obstacles possesses the only strength which can overcome adversity.

By three methods we may learn wisdom: first, by reflection which is noblest; second, by imitation, which is the easiest; and third, by experience, which is the bitterest.

One never notices what has been done; one can only see what remains to be done.

We choose our joys and sorrows long before we experience them.

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

Be sure you put your feet in the right place, then stand firm.

Without courage, wisdom bears no fruit.

It is hard to fight desire; but to control it is the sign of a reasonable man.

One who loses wealth loses much. One who loses a friend loses more. But one who loses courage loses all.

Boredom is the root of all evil - the despairing refusal to be oneself.

It is not titles that honor men, but men that honor titles.

Real knowledge is to know the extent of one's ignorance.

Yes, I guess you could say I am a loner, but I feel more lonely in a crowed room with boring people than I feel on my own.

There is an art, or rather a knack to flying. The knack lies in learning how to throw yourself at the ground and miss.

Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.

Immoderate desire is the mark of a child, not a man.

Never pick a fight with an ugly person, they've got nothing to lose.

Judge a man by his questions rather than by his answers.

Moderation in temper is always a virtue; but moderation in principle is always a vice.

The wise man should restrain his senses like the crane and accomplish his purpose with due knowledge of his place, time and ability.