The hours of folly are measured by the clock, but of wisdom: no clock can measure.

The past is a ghost, haunting the present.

You do not have to be good. You do not have to walk on your knees for a hundred miles through the desert, repenting. You only have to let the soft animal of your body love what it loves.

成功辨识的关键是找到一个尽可能简单但不过于简单的模型。