Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.

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

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

If you don't stand for something you will fall for anything.

I am a lover of truth, a worshipper of freedom, a celebrant at the altar of language and purity and tolerance.

There's no sense in being precise when you don't even know what you're talking about.

Colorless green ideas sleep furiously

I've never known any trouble than an hour's reading didn't assuage.

Do not pray for an easy life, pray for the strength to endure a difficult one.

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

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

What's done can't be undone.

Words mean more than what is set down on paper. It takes the human voice to infuse them with deeper meaning.

Bitterness is like cancer. It eats upon the host. But anger is like fire. It burns it all clean.

Nobody made a greater mistake than he who did nothing because he could do only a little.

No one can make you feel inferior without your consent.

True knowledge lies in knowing how to live.

Doubt is the origin of wisdom

To a wise and good man the whole earth is his fatherland.

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

Think globally, act locally.