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.

Had it not been for you, I should have remained what I was when we first met, a prejudiced, narrow-minded being, with contracted sympathies and false knowledge, wasting my life on obsolete trifles, and utterly insensible to the privilege of living in this wondrous age of change and progress.

Enthusiasm is the breath of genius.

Judaism is not complete without Christianity and without Judaism, Christianity would not exist.

There is no diplomacy like silence.

Difficulties melt away under tact.

The enterprise of America precedes that of Europe, as the industry of England precedes that of the rest of Europe.