God gives us always strength enough, and sense enough, for what He wants us to do; if we either tire ourselves or puzzle ourselves, it is our own fault.

Science is the knowledge of constant things, not merely of passing events, and is properly less the knowledge of general laws than of existing facts.

Nature is always mysterious and secret in her use of means; and art is always likest her when it is most inexplicable.

A little thought and a little kindness are often worth more than a great deal of money.

How false is the conception, how frantic the pursuit, of that treacherous phantom which men call Liberty: most treacherous, indeed, of all phantoms; for the feeblest ray of reason might surely show us, that not only its attainment, but its being, was impossible..... There is no such thing in the universe. There can never be. The stars have it not; the earth has it not; the sea has it not; and we men have the mockery and semblance of it only for our heaviest punishment.

We are only advancing in life, whose hearts are getting softer, our blood warmer, our brains quicker, and our spirits entering into living peace.

If the thing is impossible, you need not trouble yourselves about it; if possible, try for it.