过去已经写就，墨迹已干。

The best performance improvement is the transition from the nonworking state to the working state.

Conflict is the gadfly of thought. It stirs us to observation and memory. It instigates to invention. It shocks us out of sheeplike passivity, and sets us at noting and contriving.

The heart is a lonely hunter.

尽量慷慨。没有人在临终前会后悔自己给予了太多。