代数是人类创造的一种智力工具，用于清晰地表达世界的数量关系。

In mathematics, the journey of discovery is as important as the destination.

The desire to write grows with writing.

领导力意味着多听少说，并带着目标行动。

The use of COBOL cripples the mind; its teaching should, therefore, be regarded as a criminal offense.

不要大海捞针。买干草垛就行了！

Psychology must be based on direct experience, not inference.

艺术不必复杂才能好。

I like to be in control of my own destiny.