Sometimes I wonder if I'm as famous for my wheelchair and disabilities as I am for my discoveries.

Save water. Shower with your girlfriend.

To my mathematical brain, the numbers alone make thinking about aliens perfectly rational.

However difficult life may seem, there is always something you can do and succeed at.

I may contradict myself, but at least I don't contradict myself.

Many badly needed goals, like fusion and cancer cure, would be achieved much sooner if we invested more.

The moment you understand the whole Universe, is the moment you slightly begin to understand the way God's mind works