To a wise and good man the whole earth is his fatherland.

Resist much. Obey little.

Beauty is not in the face; beauty is a light in the heart.

We choose our joys and sorrows long before we experience them.

You place too much importance... on the so-called purity of blood! You fail to recognize that it matters not what someone is born, but what they grow to be!

Man is the only creature who refuses to be what he is.

The secret of life, though, is to fall seven times and to get up eight times.

Science may set limits to knowledge, but should not set limits to imagination.

All differences in this world are of degree, and not of kind, because oneness is the secret of everything.

When playing board-games which involve quizzes etc, you will always know the answers to everyone else's set of questions but never your own.

I have no desire to make windows into mens souls

Creativity is the process of having original ideas that have value.

Loneliness adds beauty to life. It puts a special burn on sunsets and makes night air smell better.

Be curious, not judgmental.

One just needs a little alertness to see and find out: Life is really a great cosmic laughter.

I think, therefore I am.

It has seemed to be more necessary to have regard to the weight of words rather than to their number.

Science is organized knowledge. Wisdom is organized life.

Only idiots refuse to change their minds.

Sometimes you will never know the value of a moment until it becomes a memory.

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