The art of control is to deal with the unknown and the unpredictable.
控制的艺术在于处理未知和不可预测的事物。
Technology must be people-oriented, otherwise it is meaningless.
生活中最好的事情往往是意想不到的。
艺术应当为人民服务。
The only way to keep improving is to keep pushing yourself.
经济学最终是为了改善人类福祉。