About Newton: Nature to him was an open book, whose letters he could read without effort.

Relativity teaches us the connection between the different descriptions of one and the same reality.

When a man, after long years of searching, chances upon a thought which discloses something of the beauty of this mysterious universe, he should not therefore be personally celebrated. He is already sufficiently paid by his experience of seeking and finding.

Education is what remains after one has forgotten what one has learned in school.

...behind all the discernible laws and connections, there remains something subtle, intangible and inexplicable.

Strange is our situation here upon earth.

The ideals which have lighted my way, and time after time have given me new courage to face life cheerfully, have been Kindness, Beauty, and Truth. Without the sense of kinship with men of like mind, without the occupation with the objective world, the eternally unattainable in the field of art and scientific endeavors, life would have seemed to the empty. The trite objects of human efforts — possessions, outward success, luxury—have always seemed to me contemptible.