A good teacher protects his pupils from his own influence.

Anger begins in folly, and ends in repentance.

Science is organized knowledge. Wisdom is organized life.

The path to success is to take massive, determined action.

The cure for pain is in the pain.

There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.

If a man could have half of his wishes, he would double his troubles.

Don't take tomorrow to bed with you.

Mistakes are always forgivable, if one has the courage to admit them.

Everything excellent is as difficult as it is rare.

In any moment of decision, the best thing you can do is the right thing. The worst thing you can do is nothing.

The first thing you'll have to do, is the last thing you wished.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

The trouble with most of us is that we would rather be ruined by praise than saved by criticism.

If you have no problems, then you have no clue to what is going.

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

The more skilled you are at something, the worse you are at it when showing someone.

It is the mark of an educated mind to be able to entertain a thought without accepting it.

It is not enough to have a good mind; the main thing is to use it well.

A house is not a home unless it contains food and fire for the mind as well as the body.

The place where you made your stand never mattered. Only that you were there...and still on your feet.