I think frugality drives innovation， just like other constraints do. One of the only ways to get out of a tight box is to invent your way out.

It wasn't only wickedness and scheming that made people unhappy, it was confusion and misunderstanding; above all, it was the failure to grasp the simple truth that other people are as real as you.

"I am a warrior, not a worrier."

数据结构是高效算法的支柱。

成功不是终点，失败也不是致命的：重要的是继续前进的勇气。

人通过从失败中学习而成长。

魔力存在于文字表达和图像展示之间的空间里。