The most innovative solutions often come from constraints.
我们都是成功交配者的后代,而非失败者的后代,这深刻塑造了我们的交配心理。
The stranger is an element of the group itself, not unlike the poor and sundry 'inner enemies'—an element whose membership within the group involves both being outside it and confronting it.
对中国国民党同志共勉,1920年1月1日