However difficult life may seem, there is always something y... - Stephen Hawking

"I have noticed that even those who assert that everything is predestined and that we can change nothing about it still look both ways before they cross the street"

"I think computer viruses should count as life ... I think it says something about human nature that the only form of life we have created so far is purely destructive. We've created life in our own image."

"The human race is just a chemical scum on a moderate-sized planet, orbiting around a very average star in the outer suburb of one among a hundred billion galaxies. We are so insignificant that I can't believe the whole universe exists for our benefit. That would be like saying that you would disappear if I closed my eyes."

"We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special."

"There is a fundamental difference between religion, which is based on authority, and science, which is based on observation and reason. Science will win because it works."