战争中,决心。失败中,不屈。胜利中,慷慨。和平中,好意。

The first step in quality improvement is to understand what the customer really wants.

小说是探索人性复杂性的最佳工具。

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

数学的美在于它让我们看到世界上不立即显现的模式和结构。