Time Travel

To confine our attention to terrestrial matters would be to limit the human spirit.

Stephen Hawking – A Brief History of Time

There could be shadow galaxies, shadow stars, and even shadow people.

Stephen Hawking – A Brief History of Time

If we find the answer to that, it would be the ultimate triumph of human reason – for then we would know the mind of God.

Stephen Hawking – A Brief History of Time

Although September 11 was horrible, it didn’t threaten the survival of the human race, like nuclear weapons do.

Stephen Hawking – A Brief History of Time

Someone told me that each equation I included in the book would halve the sales.

Stephen Hawking – A Brief History of Time