Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.

What do I think of Western civilization? I think it would be a very good idea.

Your worth consists in what you are and not in what you have.

There are many people in South Africa who are rich and who can share those riches with those not so fortunate who have not been able to conquer poverty.

Logically, harmony must come from the heart... Harmony very much based on trust. As soon as use force, creates fear. Fear and trust cannot go together.

I do all the evil I can before I learn to shun it? Is it not enough to know the evil toh shun it? If not, we should be sincere enough to admit that we love evil too well to give it up.

It is the supreme art of the teacher to awaken joy in creative expression and knowledge.

That deep emotional conviction of the presence of a superior reasoning power, which is revealed in the incomprehensible universe, from my idea of God.

If you have a particular faith or religion, that is good. But you can survive without it.

The important thing is not to stop questioning. Curiosity has its own reason for existing.

External nature is only internal nature writ large.

I've been here before and will come again, but I'm not going this trip through.