If not me, who? If not now, when?
未来是我们能够塑造的东西,而不仅仅是发生在我们身上的事情。
痛苦的秘诀在于有闲暇去纠结自己是否幸福。
The greatest gift you can give someone is your time, because you are giving them a portion of your life that you will never get back.
Mathematics is not a spectator sport.