The only real valuable thing is intuition.

From the viewpoint of a Jesuit priest I am, of course, and have always been an atheist.

Do you remember how electrical currents and 'unseen waves' were laughed at? The knowledge about man is still in its infancy.

Laws alone can not secure freedom of expression; in order that every man present his views without penalty there must be spirit of tolerance in the entire population.

Logic will get you from A to B. Imagination will take you everywhere.

Politics is more difficult than physics.

Nothing happens til something moves.