What does what we know or don't know have to do with the laws that govern the world?

Here, on the edge of what we know, in contact with the ocean of the unknown, shines the mystery and beauty of the world. And it’s breathtaking.

Once again, the world seems to be less about objects than about interactive relationships.

Life on Earth gives only a small taste of what can happen in the universe.

To the very last, the desire to challenge oneself and understand more. And to the very last: doubt.

What are we, in this boundless and glowing world?

It is hardly surprising that there are more things in heaven and earth, dear reader, than have been dreamed of in our philosophy - or in our physics.

Don't celebrate how old you are, celebrate the years you survived.

The way you think, the way you behave, the way you eat, can influence your life by 30 to 50 years.

There can be no peace without unity.

Believe me, the library is the temple of God. Education is the most sacred religion of all.

I don't tap dance, and I don't think you can learn to tap dance in three weeks at my ripe old age.

People who have lust in their heart as just as guilty as those who commit adultery.

I prefer younger men. In some ways, they are much more open to a woman being stronger and independent then some of the men my age.

I honestly believe that everything I know about the writing of non-fiction (or writing) could be engraved on the head of a pin with a garden hoe.

Only to the rational animal is it given to follow voluntarily what happens; but simply to follow is a necessity imposed on all.

You always reap what you sow; there is no shortcut.