Learn from the mistakes of others. You can't live long enough to make them all yourself. Boredom sets into boring minds. The more original a discovery, the more obvious it seems afterwards.

In my youth I regarded the universe as an open book, printed in the language of equations, whereas now it appears to me as a text written in invisible ink, of which in our rare moments of grace we are able to decipher a small segment.

The Revolutionary's Utopia, which in appearance represents a complete break with the past, is always modeled on some image of the Lost Paradise, of a legendary Golden Age... All utopias are fed from the source of mythology; the social engineers' blueprints are merely revised editions of the ancient text.

Scientists are peeping toms at the keyhole of eternity.

Some of the greatest discoveries...consist mainly in the clearing away of psychological roadblocks which obstruct the approach to reality; which is why,post factum they appear so obvious.

Einstein's space is no closer to reality than Van Gogh's sky.

Two half truths do not make a truth.