What is inconceivable about the universe is that it is at all conceivable.

"There's been a quantum leap technologically in our age, but unless there's another quantum leap in human relations, unless we learn to live in a new way towards one another, there will be a catastrophe."

Occurrences in this domain are beyond the reach of exact prediction because of the variety of factors in operation, not because of any lack of order in nature.

A happy man is too satisfied with the present to dwell too much on the future.

If something is in me which can be called religious then it is the unbounded admiration for the structure of the world so far as our science can reveal it.

Science is the process of making obviously erroneous ideas less obviously erroneous.

All means prove but blunt instruments, if they have not behind them a living spirit.