The brain upon which my experiences have been written is not a particularly good one. If their were brain-shows, as there are cat and dog shows, I doubt if it would get even a third class prize.

The greatest task of democracy, its ritual and feast - is choice.

Biologically the species is the accumulation of the experiments of all its successful individuals since the beginning.

Good books are the warehouses of ideas.

The choice is: the Universe...or nothing.

Nothing remains interesting where anything may happen.

Leaders should lead as far as they can and then vanish. Their ashes should not choke the fire they have lit.