百门而闭一门焉,则盗何遽无从入哉?
好比有一百扇门而只关上一扇,那么盗贼怎么就会没有地方进去呢 
All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
心理学研究的正确方向是行为的预测和控制。
I have failed many times, and that's why I succeed.
Happiness is not the absence of problems but the ability to deal with them.
Innovation requires courage and the willingness to break conventions.