What a man does for others, not what they do for him, gives him immortality.
What a liberation to realize that the “voice in my head” is not who I am. Who am I then? The one who sees that.
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.
Don't criticize what you can't understand.
Things which matter most must never be at the mercy of things which matter least.
If you don't stand for something you will fall for anything.
Men become wise just as they become rich, more by what they save than by what they receive.
Those who see the invisible can do the impossible.
Learn from the mistakes of others. You can never live long enough to make them all yourself.
If you don't know where you're from, you'll have a hard time saying where you're going.
You have heard that it was said, 'Eye for eye, and tooth for tooth.' But I tell you, do not resist an evil person. If someone strikes you on the right cheek, turn to him the other also.
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.
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.
Intelligence is the ability to adapt to change.
There is geometry in the humming of the strings. There is music in the spacing of the spheres.
Do not say a little in many words, but a great deal in few!
Love one another, but make not a bond of love: Let it rather be a moving sea between the shores of your souls.
The road of excess leads to the palace of wisdom.
Realize deeply that the present moment is all you ever have.
The more skilled you are at something, the worse you are at it when showing someone.
Intelligence is a moral category.