There are some things which it is madness not to try to know but which it is almost as much madness to try to know. - Samuel Butler

My notes always grow longer if I shorten them. I mean the process of compression makes them more pregnant and they breed new notes.

Though analogy is often misleading, it is the least misleading thing we have.

“Plants,” said he, "show no sign of interesting themselves in human affairs. We shall never get a rose to understand that five times seven are thirty-five, and there is no use in talking to an oak about fluctuations in the price of stocks. Hence we say that the oak and the rose are unintelligent, and on finding that they do not understand our business conclude that they do not understand their own. But what can a creature who talks in this way know about intelligence? Which shows greater signs of intelligence? He, or the rose and oak?