One mind is enough for a thousand hands.

Life is not anything, but an opportunity for something.

The thinker makes a great mistake when he asks after cause and effect. They both together make up the indivisible phenomenon.

What life half gives a man, posterity gives entirely.

Energy will do anything that can be done in the world; and no talents, no circumstances, no opportunities will make a two-legged animal a man without it.

I hate all explanations; they who make them deceive either themselves or the other party,-generally both.

The formation of one's character ought to be everyone's chief aim.