我不害怕失败。我不害怕冒险。

The state is the most important institution in human society because it is the only one that can legitimately use force to maintain order.

一个好的数学问题的定义是它产生的数学，而不是问题本身。

The true value of a tree isn't in its board feet, but in its roots and reach.

The future belongs to those who understand that collaboration is stronger than competition.