心理学必须摆脱一切形而上学的纠缠。

I want to make a difference in the world.

Better pass boldly into that other world, in the full glory of some passion, than fade and wither dismally with age.

The challenge in computer science is not just to solve problems, but to find the right problems to solve.

实现明天理想的唯一障碍是今天的疑虑。

Life is short, but there is always time for courtesy.

孔子说：“遇到可以说的人却不说，就会失去可与说话的人；遇到不可说的人却说了，就是说话冒失。聪明的人既不去可交谈的人，也不言谈冒失。”