I've noticed that even people who believe in fate look both ways before crossing the street.

The development of full artificial intelligence could spell the end of the human race.

Our population and our use of the finite resources of planet Earth are growing exponentially, along with our technical ability to change the environment for good or ill.

What lies north of the North Pole?

The human capacity for guilt is such that people can always find ways to blame themselves

I have so much that I want to do. I hate wasting time.

Physics as we know it will be over in six months - Max Born