Free trade is the key to the prosperity of a nation.
Ignoring isn’t the same as ignorance, you have to work at it.
Time is not the medicine, the medicine is in time.
预测未来的最好方法就是创造未来。
电子并非一个简单不可分割的实体,而是一个复杂系统,其行为只能通过量子力学定律来理解。