The great art of life is sensation, to feel that we exist, even in pain.
A day without laughter is a day wasted.
Faults are beauties in a lover's eye.
No man ever steps in the same river twice, for it's not the same river and he's not the same man.
There is no doubt that life is given us, not to be enjoyed, but to be overcome; to be got over.
A lie which is half a truth is ever the blackest of lies.
Every truth has two sides; it is as well to look at both, before we commit ourselves to either.
Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.
Nature is the source of all true knowledge. She has her own logic, her own laws, she has no effect without cause nor invention without necessity.
I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.
True friendship can afford true knowledge. It does not depend on darkness and ignorance.
You have power over your mind - not outside events. Realize this, and you will find strength.