For as long as I can remember, Mom has been a middle-aged woman, but no one told me she used to be a young girl.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
计算的目的是洞察,而非数字。
革命者可以失去一切:家庭、自由,甚至生命。但不能失去道德。