A man is literally what he thinks.

A man who as a physical being is always turned toward the outside, thinking that his happiness lies outside him, finally turns inward and discovers that the source is within him.

Just remember, once you're over the hill you begin to pick up speed.

Don't take tomorrow to bed with you.

There is no question climate change is happening. The only arguable point is what part humans are playing in it.

Let no man pull you low enough to hate him.

Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

If you do not know the laws of right conduct, you cannot form your character.

The only real mistake is the one from which we learn nothing.

Instinct is a marvellous thing. It can neither be explained nor ignored.

Madame, all stories, if continued far enough, end in death, and he is no true-story teller who would keep that from you.

Learning and wisdom are superfluities, the surface glitter merely, but it is the heart that is the seat of all power.

Generosity is giving more than you can, and pride is taking less than you need.

Never argue with an idiot. They drag you down to their level and then beat you with experience.

I think, therefore I am.

Whenever you find yourself on the side of the majority, it is time to pause and reflect.

Empty pockets never held anyone back. Only empty heads and empty hearts can do that.

There are things known and there are things unknown, and in between are the doors of perception.

Don't criticize what you don't understand, son. You never walked in that man's shoes.

He who can destroy a thing, can control a thing.

Those who can not change their minds can not change anything.