数学中的合作是必不可少的;没有人能独自解决所有问题。
Collaboration in mathematics is essential; no one can solve all the problems alone.
在这个世界上,你无法选择是否受到伤害,但你可以选择由谁来伤害你。
适应能力是当今快速变化的世界中最重要的技能。
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.