When language is used without true significance, it loses its purpose as a means of communication and becomes an end in itself.

The moment is the sole reality.

Greatness of mind becomes an object of love only when the power at work in it itself has a noble character

What makes us afraid is our great freedom in the face of the emptiness that has still to be filled.

We must learn to talk with each other, and we mutually must understand and accept one another in our extraordinary differences.

There is no God, cry the masses more and more vociferously; and with the loss of God man loses his sense of values — is, as it were, massacred because he feels himself of no account.

Only in those moments when I exercise my freedom am I fully myself.

On the question of the world as a whole, science founders. For scientific knowledge the world lies in fragments, the more so the more precise our scientific knowledge becomes.

A scientific approach means knowing what one knows and what one doesn't. Absolute or complete knowledge is unscientific.

Reason is like an open secret that can become known to anyone at any time; it is the quiet space into which everyone can enter through his own thought

Philosophy as practice does not mean its restriction to utility or applicability, that is, to what serves morality or produces serenity of soul.

You're so young, you can't know the meaning of true regret. It's never what you've done, love, it's what you've left undone.

How many cares one loses when one decides not to be something but to be someone.

Change quotes were meant to move us from inaction to action.

Tolerance is not really a lived virtue; it’s more of a cerebral ascent.

With difficulty he is beaten who can estimate his own forces and those of his enemy.

Tact is the ability to make a person see lightning without letting him feel the bolt.

Science fiction is very healthy in its form.

Let all beings in all the worlds be happy. Include this universal prayer in your prayers every day. This is my birthday message to you.

Honest men are the soft easy cushions on which knaves repose and fatten.

... science and speculation pass into mystery at last.