做一個有道德的人，就是要付出、必須付出某種關注。
To be a moral human being is to pay, be obliged to pay, certain kinds of attention.
婚姻的快樂完全是機會的問題。
The performance standard must be Zero Defects. Not 'that's close enough'.
We are just beginning to understand the potential of genome editing—and the questions it raises.