Ethical science is not a limitation—it’s a foundation for trust.
性情圆融随和的人没有诡诈的神态，精明细心的人没有苛刻审查的心思，行为方正的人没有乖戾的行为，沉默的人没有陰险的手段，诚信笃实的人没有无能的牵累，光明正大的人没有肤浅的缺点，刚直的人没有性情上的偏失，果决的人没有拘泥的毛病，达练的人没有轻浮的外貌。
“损失厌恶”的概念在决策中起着关键作用，其中失去的痛苦在心理上是获得快乐的两倍。
I will tell you what I will do and what I will not do. I will not serve that in which I no longer believe whether it call itself my home, my fatherland, or my church: and I will try to express myself in some mode of life or art as freely as I can and as wholly as I can, using for my defence the only arms I allow myself to use—silence, exile, and cunning.