Success in business starts with integrity—without it, even the best strategies will fail.
Behavior is determined by the current stimulus situation and past reinforcement history.
What I claim is to live to the full the contradiction of my time, which may well make sarcasm the condition of truth.
生活是一张白纸，每个人都在上面写上自己的一两句话。
——〈在北京湖广会馆学界欢迎会的演说〉，1912年8月30日
时间被认为只有一个维度，而空间有三个维度。
老鼠和人之间的唯一区别是老鼠会从经验中学习。
Even if I knew that tomorrow the world would go to pieces, I would still plant my apple tree.