Language is the house of being. In its home man dwells. Those who think and those who create with words are the guardians of this home.

The detective story is the normal recreation of noble minds.

He who wants to do good knocks at the gate;he who loves finds the gate open.

自然实验可以为经济问题提供有价值的见解。

纪律是目标和成就之间的桥梁。