The theory of relativity is a theory of principle, not a constructive theory.
相对论是一种原理性理论,而非构造性理论。
You have to have fun in life, otherwise you’re just going to be miserable.
不要说不利于身心的话,不要做不利于身心的事,不要接近不利于身心的人,不要进入不利于身心的境界,不要看不利于身心的书。
"Grief does not change you, Hazel. It reveals you."