The absent are never without fault, nor the present without excuse.

To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.

One who deceives will always find those who allow themselves to be deceived.

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

To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence

Those who see the invisible can do the impossible.

There are four ways, and only four ways, in which we have contact with the world. We are evaluated and classified by these four contacts: what we do, how we look, what we say, and how we say it.

Learned we may be with another man's learning: we can only be wise with wisdom of our own.

When you undervalue what you do, the world will undervalue who you are

What's done can't be undone.

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

Intellectuals solve problems, geniuses prevent them.

We are all born ignorant, but one must work hard to remain stupid

Colorless green ideas sleep furiously

There is always time to add a word, never to withdraw one.

Experience is the only prophecy of wise men.

For beautiful eyes, look for the good in others; for beautiful lips, speak only words of kindness; and for poise, walk with the knowledge that you are never alone.

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

It's not a question of learning much.On the contrary.It's a question of UNLEARNING much.

There are things known and there are things unknown, and in between are the doors of perception.

The weak can never forgive. Forgiveness is the attribute of the strong.