The pendulum of the mind oscillates between sense and nonsense, not between right and wrong.

Those who know, do. Those that understand, teach.

It has seemed to be more necessary to have regard to the weight of words rather than to their number.

Reflect upon your present blessings, of which every man has many; not on your past misfortunes, of which all men have some.

A proverb is much matter distilled into few words.

If you do what you've always done, you'll get what you've always gotten.

Love make us poets, and the approach of death should make us philosophers.

Early to bed and early to rise, Makes a man healthy, wealthy, and wise.

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

We thought that we had the answers, it was the questions we had wrong.

To me, being an intellectual doesn't mean knowing about intellectual issues; it means taking pleasure in them.

Muddy water is best cleared by leaving it alone.

Science has not yet taught us if madness is or is not the sublimity of the intelligence.

I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.

The most certain sign of wisdom is cheerfulness.

Energy may be likened to the bending of a crossbow; decision,to the releasing of a trigger.

The wound is the place where the Light enters you.

Anger begins in folly, and ends in repentance.

Science may set limits to knowledge, but should not set limits to imagination.

An intelligent hell would be better than a stupid paradise.

Work is the price which is paid for reputation.