The highest task of education is to develop in the individual a sense of responsibility towards humanity.
Psychology must be a practical science, concerned with the how and why of mental operations.
抱最好的希望，做最坏的打算。
The true value of coal lies in how we extract and use it responsibly.
大丈夫做事，只问对错，不问利害；只问是否符合道义，不问成败；只考虑万世的影响，不考虑一生的得失
我们理解的两个操作，直觉和演绎，是我们获取知识时必须依赖的。
"If you don't stand for something, you'll fall for anything."