You don't get another chance. Life is no Nintendo game.

Hard work beats talent when talent doesn’t work hard.

记忆是连接过去与未来的桥梁。

For every dollar you spend purchasing something substantial， expect to pay a dollar in repairs， maintenance， or disposal by the end of its life.

控制的目的是使系统在存在不确定性和干扰的情况下仍能按期望的方式运行。