The human brain is a social brain, and it evolved to deal with social relationships.

We are all ready to be savage in some cause. The difference between a good man and a bad one is the choice of the cause.

我不需要理由去对自己的选择有信心。

"Hope is a verb with its sleeves rolled up."

预测未来的最好方法就是创造它。

数学的研究是所有智力和精神进步不可或缺的基础。