No one is altogether to be blamed for the defects of his nature; but he is blameworthy if he takes no pains to correct them. ?
The most considerable difference I can see between men and animals is not in reason, but in the extent of the power of using it. ?
That man, I think, has had a liberal education who has been so trained in youth that his body is the ready servant of his will. ?
Freedom and order are not incompatible; truth is strength; free discussion is the very life of truth. ?
Eager and intense desire is the mainspring of all effective effort. ?
Patience and tenacity of purpose are worth more than twice their weight of cleverness. ?
The great tragedy of Science—the slaying of a beautiful hypothesis by an ugly fact. ?
The saying that a little knowledge is a dangerous thing is, to my mind, a very dangerous adage. ?
It is not what we believe, but why we believe it; moral responsibility begins there. ?
Logical consequences are the scarecrows of fools and the beacons of wise men. ?