Time is still the great mystery to us. It is no more than a concept; we don't know if it even exists.

It is only of life on Earth, however, that one can speak with any certainty. It seems to me that all life on Earth, the sum total of life upon the Earth, has purpose.

Before Man goes to the stars he should learn how to live on Earth .

Much of what we see in the universe ... starts out as imaginary. Often you must imagine something before you can come to terms with it.

These are the stories the Dogs tell, when the fires burn high and the wind is from the north.

Without consciousness and intelligence, the universe would lack meaning.

If mankind were to continue in other than the present barbarism, a new path must be found, a new civilization based on some other method than technology

It would seem to me that by the time a race has achieved deep space capability it would have matured to a point where it would have no thought of dominating another intelligent species.

Inside the time bubble we do not age. We age only when we are outside of it.

When I talk of the purpose of life, I am thinking not only of human life, but of all life on Earth and of the life which must exist upon other planets throughout the universe.

Here lies one from a distant star, but the soil is not alien to him, for in death he belongs to the universe.

Women think of all colors except the absence of color. I have said that black has it all. White too. Their beauty is absolute. It is the perfect harmony.

It could be worse. I could be you.

When the sea goes down, there will come from the mainland boats and men. And they will find ten dead bodies and an unsolved problem on Indian Island.

We view things not only from different sides, but with different eyes; we have no wish to find them alike.

Is any knowledge worthless? Try to think of an example.

If you're going to be a Christian, you're going to change. You're going to lose some old friends, not because you want to, but because you need to.

At all crucial moments in our lives we want to speak without knowing what to say.

In common with many others in the varied branches of our profession, my academic education is subnormal.

The best leaders are the best notetakers, best askers, and best learners.

I expect Europe's top-level domain, .eu, to become similarly as important as dot-com.