Many people do not like the idea that time has a beginning, probably because it smacks of divine intervention.

Before we understand science, it is natural to believe that God created the universe. But now science offers a more convincing explanation.

At times, I get very lonely because people are afraid to talk to me or don't wait for me to write a response. I'm shy and tongue-tied at times. I find it difficult to talk to people who I don't know.

The human race shouldn't have all its eggs in one basket, or on one planet. Let's hope we can avoid dropping the basket until we have spread the load.

I believe in universal health care. And I am not afraid to say so.

So great a contribution to physics was Two New Sciences that scholars have long maintained that the book anticipated Isaac Newton's laws of motion.

We are all now connected by the Internet, like neurons in a giant brain.