Nothing is more destructive of respect for the government and the law of the land than passing laws which cannot be enforced.

[Ernest Rutherford is]...a second Newton.

Germany had the misfortune of becoming poisoned, first because of plenty, and then because of want.

We must be prepared to make the same heroic sacrifices for the cause of peace that we make ungrudgingly for the cause of war.

Without the sense of fellowship with men of like mind... life would have seemed to me empty.

No scientist thinks in formulae.

Just because you believe in something does not mean that it is true.