There is a wisdom of the head, and... there is a wisdom of the heart.
Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful.
I dream. Sometimes I think that's the only right thing to do.
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.
Criticize the act, not the person.
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.
Thoughts without content are empty, intuitions without concepts are blind.
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.
Don't compromise yourself. You are all you've got.
Act as if the maxim of your action were to become through your will a general natural law
Learn from the mistakes of others. You can never live long enough to make them all yourself.
Better mad with the rest of the world than wise alone.
It is not enough to have a good mind; the main thing is to use it well.
Moderation in temper is always a virtue; but moderation in principle is always a vice.
Above all be of single aim; have a legitimate and useful purpose, and devote yourself unreservedly to it.
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.
Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.
Muddy water is best cleared by leaving it alone.
Loneliness adds beauty to life. It puts a special burn on sunsets and makes night air smell better.
There are two educations. One should teach us how to make a living and the other how to live.
The experience gathered from books, though often valuable,is but the nature of learning whereas the experience gained from actual life is of the nature of wisdom.