Maybe I don't have the most common kind of motor neuron disease, which usually kills in two or three years.

We find ourselves in a bewildering world. We want to make sense of what we see around us and to ask: What is the nature of the universe? What is our place in it and where did it and we come from? Why is it the way it is?

My first popular book, 'A Brief History of Time,' aroused a great deal of interest, but many found it difficult to understand.

Every man should marry. After all, happiness is not the only thing in life.

When two's company, three's the result!

We could call order by the name of God, but it would be an impersonal God. There's not much personal about the laws of physics.

Time travel used to be thought of as just science fiction, but Einstein's general theory of relativity allows for the possibility that we could warp space-time so much that you could go off in a rocket and return before you set out.