The great end of life is not knowledge but action.

The great end of life is not knowledge but action.

There is the greatest practical benefit in making a few failures early in life.

There is the greatest practical benefit in making a few failures early in life.

If a little knowledge is dangerous, where is the man who has so much as to be out of danger?

Logical consequences are the scarecrows of fools and the beacons of wise men.

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.

It is an error to imagine that evolution signifies a constant tendency to increased perfection. That process undoubtedly involves a constant remodeling of the organism in adaptation to new conditions; but it depends on the nature of those conditions whether the direction of the modifications effected shall be upward or downward.

If the perpetual oscillation of nations between anarchy and despotism is to be replaced by the steady march of self-restraining freedom, it will be because men will gradually bring themselves to deal with political, as they now deal with scientific questions.

The thief and the murderer follow nature just as much as the philanthropist.