A mistake is always forgivable, rarely excusable and always unacceptable.
One must wait until the evening to see how splendid the day has been.
The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.
The only real laughter comes from despair.
Science has not yet taught us if madness is or is not the sublimity of the intelligence.
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.
One of the truest tests of integrity is its blunt refusal to be compromised.
The cure for pain is in the pain.
Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more
There's no sense in being precise when you don't even know what you're talking about.
Admiration is the daughter of ignorance.
We thought that we had the answers, it was the questions we had wrong.
I dream. Sometimes I think that's the only right thing to do.
Don't raise your voice, improve your argument.
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.
Better mad with the rest of the world than wise alone.
But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.
The wound is the place where the Light enters you.
A good teacher protects his pupils from his own influence.
At the center of your being you have the answer; you know who you are and you know what you want.
What lies behind us and what lies ahead of us are tiny matters compared to what lives within us.