俄罗斯法律的严厉性因缺乏强制执行的义务而得到缓和。
The severity of Russian laws is tempered by the lack of obligation to enforce them.
The thing about happiness is that you only know you had it when it's gone.
Given the choice between the experience of pain and nothing, I would choose pain.
真正的领导力是创造更多领导者,而不是追随者。
Science is a journey of continuous learning and adaptation.