The interest of the behaviorist in man's doings is more than the interest of the spectator—he wants to control man's reactions as physical scientists want to control and manipulate other natural phenomena.
老时相信一切，中年怀疑一切，青年知道一切。
Humility is the mark of a great leader.
Remember that reputation and integrity are your most valuable assets—and can be lost in a heartbeat.
记住声誉和正直是你最宝贵的资产并且可能在一瞬间消失。
The process of doing mathematics is as important as the result itself.
文学是可见与不可见、可说与不可说之间的桥梁。
不一定是你我的母亲，而是一个理想母亲的想象，一个永远义无反顾的爱你，不在乎你是否功成名就的人，不幸地，大部分世人都不怀有这种母爱，大部分世人决定要花费多少时间，给于多少爱，不一定是浪漫的那种爱，虽然那也包括在内，世人所愿意给我们的关爱、尊重，取决于我们的社会地位。
Think wrongly, if you please, but in all cases, think for yourself.