An understanding of the natural world is a source of not only great curiosity, but great fulfilment.

I write with experiences in mind, but I don't write about them, I write out of them.

Never put off for tomorrow, what you can do today.

The more skilled you are at something, the worse you are at it when showing someone.

A good teacher protects his pupils from his own influence.

Whatever you think the world is withholding from you, you are withholding from the world.

Those who dance are considered insane by those who cannot hear the music.

If we don't believe in freedom of expression for people we despise, we don't believe in it at all.

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

One of the truest tests of integrity is its blunt refusal to be compromised.

Language is very powerful. Language does not just describe reality. Language creates the reality it describes.

How often it is that the angry man rages denial of what his inner self is telling him.

Men become wise just as they become rich, more by what they save than by what they receive.

By three methods we may learn wisdom: first, by reflection which is noblest; second, by imitation, which is the easiest; and third, by experience, which is the bitterest.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

Proverbs are short sentences drawn from long experience.

To me, being an intellectual doesn't mean knowing about intellectual issues; it means taking pleasure in them.

As the soft yield of water cleaves obstinate stone, So to yield with life solves the insolvable: To yield, I have learned, is to come back again.

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

In order to change the world, you have to get your head together first

If I speak of myself in different ways, that is because I look at myself in different ways.