I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.

E=mc2. Energy equals mass times the speed of light squared. The original statement is: If a body gives off the energy L in the form of radiation, its mass diminishes by L/c2. Ist die Tragheit eines Korpers von Seinem Energieghalt Abhangig? 1905

There is nothing divine about morality, it is a purely human affair.

There is a race between mankind and the universe. Mankind is trying to build bigger, better, faster, and more foolproof machines. The universe is trying to build bigger, better, and faster fools. So far the universe is winning.

Only six men in the world know about relativity. I am not one of them. When I ask them to explain, they confused me.

Man has an intense desire for assured knowledge.

The stupid are invincible.