Knowledge is valuable only when it is shared.
知识只有在分享时才有价值。
"The only limit to our realization of tomorrow is our doubts of today."
"知道"的含义已经从能够记住和重复信息转变为能够找到并使用信息。
The best leaders are those who listen more than they speak.
The United States has no permanent enemies, no permanent friends, only permanent interests.
If you are afraid of failure, you will not innovate.