数学家是模式的创造者,就像画家或诗人一样。
Time is a slippery thing: lose hold of it once, and its string might sail out of your hands forever.
时间是个滑溜溜的东西:一旦失去控制,它的线索可能会永远从你手中溜走。
Persist in doing what you love, and don't give up easily even when facing difficulties.