There's a genius in all of us.

My sailing system set sail, make it fast, no thoughts of energy or velocity, loll back, let boat drift.

Don't second guess the mistakes you've made, others will do that for you. Make things as simple as possible, but not simpler.

For every one billion particles of antimatter there were one billion and one particles of matter. And when the mutual annihilation was complete, one billionth remained - and that's our present universe.

A theory can be proved by experiment; but no path leads from experiment to the birth of a theory.

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

We can't solve today's problems with the mentality that created them.