True understanding comes from grasping the inner structural relationships of a problem.
凡事要量力而行,如果用鸡蛋去碰石头,即使把世界上的鸡蛋都碰完,石头还会和原来一样,不会被损毁。
The essence of business is to solve problems, not create them.
The past is a shadow that follows us, but it doesn't have to define us.