Shuffling is the only thing which Nature cannot undo.

If an army of monkeys were strumming on typewriters, they might write all the books in the British Museum.

I believe there are 15, 747, 724, 136, 275, 002, 577, 605, 653, 961, 181, 555, 468, 044, 717, 914, 527, 116, 709, 366, 231, 425, 076, 185, 631, 031, 296 protons in the universe and the same number of electrons.

I ask you to look both ways. For the road to a knowledge of the stars leads through the atom; and important knowledge of the atom has been reached through the stars.

Electrical force is defined as something which causes motion of electrical charge; an electrical charge is something which exerts electric force.

It cannot be denied that for a society which has to create scarcity to save its members from starvation, to whom abundance spells disaster, and to whom unlimited energy means unlimited power for war and destruction, there is an ominous cloud in the distance though at present it be no bigger than a man's hand.

Whatever else there may be in our nature, responsibility toward truth is one of its attributes.