Nothing is more fearful than imagination without taste.

Who never ate his bread in sorrow, Who never spent the darksome hours Weeping, and watching for the morrow,- He knows you not, ye heavenly Powers.

You must be either the servant or the master, the hammer or the anvil.

Whoever would do good in the world, ought not to deal in censure. We ought not to destroy, but rather construct.

And I like those authors best whose scenes describe my own situation in life-- and the friends who are about me whose stories touch me with interest, from resembling my own homely existence.

Where there are no women there are no good manners

Mathematics has the completely false reputation of yielding infallible conclusions. Its infallibility is nothing but identity. Two times two is not four, but it is just two times two, and that is what we call four for short. But four is nothing new at all. And thus it goes on and on in its conclusions, except that in the higher formulas the identity fades out of sight.