对于系统，翻版的模拟是在控制图中添加一个创建循环的边，而不仅仅是一个附加节点。

生命中最伟大的荣耀不在于从不跌倒，而在于每次跌倒后都能站起来。

"There is music in silence, if you listen carefully enough."

Never invest in any idea you can't illustrate with a crayon.

The true measure of success is leaving the industry better than we found it.

有才能而性情舒缓的人一定是大人才；有智慧而心气平和的人方称之大智慧。