You know, all is development. The principle is perpetually going on. First, there was nothing, then there was something; then-I forget the next-I think there were shells, then fishes; then we came-let me see-did we come next? Never mind that; we came at last. And at the next change there will be something very superior to us-something with wings. Ah! That's it: we were fishes, and I believe we shall be crows.

I have always thought that every woman should marry, and no man.

The secret of success is constancy to purpose.

Seeing much, suffering much, and studying much, are the three pillars of learning.

Sir, I shall not defeat you - I shall transcend you.

We are now in want of an art to teach how books are to be read rather than to read them. Such an art is practicable.

Mediocrity can talk, but it is for genius to observe.