The youth are the future masters of the nation. The youth must be the vanguard in the labor and production movement.
青年是国家未来的主人。青年必须成为劳动和生产运动的先锋。
No man really knows about other human beings. The best he can do is to suppose that they are like himself.
在沉默中，我们听到最真实的声音。
你说的话有什么益处呢？如果没有益处还要说，就是白费口舌。
我唯一知道的是我一无所知。
Better to have 1 super user than 100 ordinary users.
科学必须是世界上的一股善的力量。