我认为质数就像生活。它们非常合乎逻辑,但你永远无法弄清楚其中的规则,即使你花所有时间去思考它们。
释义:财富和地位并没有固定的来源,都是通过勤奋努力得来的。
In the end, we only regret the chances we didn't take.
A nation's strength lies in the resilience and creativity of its people.