I was warned to stop smoking, which I did, for two or three days, but it was too lonesome, and I have resumed — in a modified way — 4 smokes a day instead of 40. This will have a good effect. On the bank balance. – Mark Twain
We could use up two Eternities in learning all that is to be learned about our own world and the thousands of nations that have arisen and flourished and vanished from it. Mathematics alone would occupy me eight million years. – Mark Twain