写作就像性爱。首先你为爱而做，然后为朋友而做，最后为钱而做。
Writing is like sex. First you do it for love, then you do it for your friends, and then you do it for money.
The uniform， constant， and uninterrupted effort of every man to better his condition， the principle from which public and national as well as private opulence is originally derived.
人生苦短，必须快乐。
The pursuit of truth is an endless journey, not a destination.
Don’t tell me how good you make it; tell me how good it makes me when I use it.