The deepest wounds are often invisible to the naked eye.
最深的伤口往往是肉眼看不见的。
Starting a business is like flying a drone, you need both vision and readiness to deal with unexpected situations.
True innovation comes from a deep understanding of user needs.
容易愤怒就会伤害别人;私欲太多了就会害了自己;贪图安逸就会有害于自己的品德;忧虑太多,就会削弱自己的意志。