What is success? I think it is a mixture of having a flair for the thing that you are doing; knowing that it is not enough, that you have got to have hard work and a certain sense of purpose.

Efficiency is doing things right; effectiveness is doing the right things.

出自先秦《荀子·劝学》。定居一定要选择适当的邻里，交游一定要接近贤士。说明要加强道德修养，就应该注意周围环境。

资本资产定价模型并非旨在描述投资者实际行为的实证理论，而是关于理性投资者应如何行事的规范理论。