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

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.

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

Only then, approaching my fortieth birthday, I made philosophy my life's work.

Now is the time to make good use of time.Today is the day to begin a perfect day.

'Healing, ' Papa would tell me, 'is not a science, but the intuitive art of wooing nature.'

I believe in imagination. I did Kramer vs. Kramer before I had children. But the mother I would be was already inside me.

I get sick of saying how hard everything is. It's hard to get up in the morning. Everything's hard. Everything takes effort.

Flying is hypnotic and all pilots are willing victims to the spell.

Can you really see and hear Him, or is He still the Unknown God to you? It’s time for an awakening.

Lunar mining is absolutely critical for the development of fusion sources. I'm a very strong proponent of the development of nuclear power, of fusion power.

I myself was terrified during the Second World War. The war started when I was six, and I was so sure that we were going to be bombed and killed. My imagination is my biggest plus and my worst minus.

Competitiveness drives my blood. I'm an athlete at heart and I just love the competition. I can't live without it. It's just a rush.

Was it the forgetfulness of old age or personal incapacity that made the man able to say please but not thank you?