效率是把事情做对,效果是做对的事情。
Efficiency is doing things right; effectiveness is doing the right things.
Leadership is about making tough decisions today that will benefit generations to come.
由于缺乏事实而产生的错误,远比基于真实数据但推理不当所产生的错误更多且更持久。
"Mathematics is not a spectator sport."
大自然是天才的武库。它提供工具,但工匠必须使用它们。