书籍是连接我们彼此的桥梁。
"Books are the bridges that connect us to each other."
你无法改变你拒绝面对的事情。
I'm as proud of many of the things we haven't done as the things we have done.Innovation is saying no to a thousand things.
相位裕度是系统在变得不稳定之前可以容忍的程度的度量。
自由在于勇敢。