如果你没有犯错,说明你不够努力。
The last of human freedoms is the ability to choose one's attitude in any given set of circumstances.
思想的多样性带来更好的决策和更创新的解决方案。
与那些挑战你的人为伍,而不仅仅是那些赞同你的人。
If a listener nods his head when you're explaining your program, wake him up.