Wisdom is not the product of schooling, but of the lifelong attempt to acquire it.
Never do anything when you are in a temper, for you will do everything wrong.
In any moment of decision, the best thing you can do is the right thing. The worst thing you can do is nothing.
Do not reveal what you have thought upon doing, but by wise council keep it secret being determined to carry it into execution.
You can best serve civilization by being against what usually passes for it.
Empty pockets never held anyone back. Only empty heads and empty hearts can do that.
Never put off for tomorrow, what you can do today.
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.
Promises are like crying babies in a theater, they should be carried out at once.
In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them.
Real knowledge is to know the extent of one's ignorance.
We thought that we had the answers, it was the questions we had wrong.
A friend to all is a friend to none
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.
There are no eternal facts, as there are no absolute truths.
In the midst of movement and chaos, keep stillness inside of you.
I wanted to change the world. But I have found that the only thing one can be sure of changing is oneself.
By three methods we may learn wisdom: first, by reflection which is noblest; second, by imitation, which is the easiest; and third, by experience, which is the bitterest.
Every intelligent individual wants to know what makes him tick, and yet is at once fascinated and frustrated by the fact that oneself is the most difficult of all things to know.
One new feature or fresh take can change everything.
A scholar who cherishes the love of comfort is not fit to be deemed a scholar.