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.

The use of travelling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are.

Anywhere you go in the world is what you make of it, not what you read in books.

Work is the price which is paid for reputation.

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.

Gravity is only the bark of wisdom's tree; but it preserves it

There's no sense in being precise when you don't even know what you're talking about.

Those who cannot work with their hearts achieve but a hollow, half-hearted success that breeds bitterness all around.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more

Property is surely a right of mankind as real as liberty.

We are all born ignorant, but one must work hard to remain stupid

What a man does for others, not what they do for him, gives him immortality.

All imperfection is easier to tolerate if served up in small doses.

Mistakes are always forgivable, if one has the courage to admit them.

I don't like definitions, but if there is a definition of freedom, it would be when you have control over your reality to transform it, to change it, rather than having it imposed upon you. You can't really ask for more than that.

It takes a lot of courage to show your dreams to someone else.

No act of kindness, no matter how small, is ever wasted.

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

There are no eternal facts, as there are no absolute truths.

The most certain sign of wisdom is cheerfulness.

The greatest minds are capable of the greatest vices as well as of the greatest virtues.