People start their lives at last when they are able to live for something other than themselves.

It should be possible to explain the laws of physics to a barmaid.

There is no vaccine against stupidity.

Play is the highest from of research.

This is what the painter, the poet, the speculative philosopher, and the natural scientists do, each in his own fashion.

After a certain high level of technical skill is achieved science and art tend to coalesce in aesthetics, plasticity, and form. The greatest scientists are artists as well.

If A is a success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut