Convictions are more dangerous enemies of truth than lies.

Where you stand depends on where you sit.

Experience is the only prophecy of wise men.

If you only read the books that everyone else is reading, you can only think what everyone else is thinking.

Never pick a fight with an ugly person, they've got nothing to lose.

It’s your road and yours alone. Others may walk it with you, but no one can walk it for you.

Intelligence is a moral category.

It is neither good nor bad, but thinking makes it so.

If you don't like someone's story, write your own.

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

Be realistic: Plan for a miracle

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 essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

Do not pray for an easy life, pray for the strength to endure a difficult one.

Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful.

Promises are like crying babies in a theater, they should be carried out at once.

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

Your reputation is in the hands of others. That's what the reputation is. You can't control that. The only thing you can control is your character.

In moments of great grief, that’s where you look and immerse yourself. You realise you are not immortal, you are not a god, you are part of the natural world and you come to accept that.

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

Do not deny the classical approach, simply as a reaction, or you will have created another pattern and trapped yourself there.