“孟母三迁”的故事我们都不陌生，环境对人的成长和身心修养起着重要作用。人际交往的圈子也是重要的环境，对自己身边的环境要慎重选择，不随不良环境而堕落。

It is better to be a human being dissatisfied than a pig satisfied； better to be Socrates dissatisfied than a fool satisfied.

But who prays for Satan? Who, in eighteencenturies, has had the common humanity to pray for the one sinner that needed it most?（From Jane Lampton Clemens）

"Every experiment, no matter how small, is a step towards a greater understanding."

寻找意义的意志是人的主要动力。