Those who see the invisible can do the impossible.

In the practice of tolerance, one's enemy is the best teacher.

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

If you would take, you must first give, this is the beginning of intelligence.

The greatest minds are capable of the greatest vices as well as of the greatest virtues.

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

The only limit to our realization of tomorrow will be our doubts of today.

Without courage, wisdom bears no fruit.

Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.

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

Medicine heals diseases of the body, wisdom frees the soul from passions.

Man's sensitivity to the little things and insensitivity to the greatest are the signs of a strange disorder.

What lies behind us and what lies ahead of us are tiny matters compared to what lives within us.

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.

Our society is run by insane people for insane objectives.

What's real and what's true aren't necessarily the same.

I think about the meaning of pain. Pain is personal. It really belongs to the one feeling it. Probably the only thing that is your own. I like mine.

The impossible could not have happened, therefore the impossible must be possible in spite of appearances.

If we don't believe in freedom of expression for people we despise, we don't believe in it at all.

Everything excellent is as difficult as it is rare.

What you're thinking is what you're becoming.