I don't know. Sometimes when I feel about to cry, it often evolves into an impulse to almost laugh. That must have been how I really felt at the time, because I laughed, almost giggled.

技术只是一个工具。真正的挑战是明智地使用它。

在这里，没有人的知识能超越他的经验。

No one is useless in this world who lightens the burdens of another.

我不会让消极情绪偷走我的快乐。