With great tools comes great responsibility—especially when those tools can alter life itself.
冰和炭不能长久放在同一个容器里,寒天和暑天不会同时到来
人类需要悲伤,正如需要欢乐一样。
解释:善于制造弓箭的工匠之子,必须先从编织簸箕开始;善于冶炼的工匠之子,必须从连缀皮裘开始。
The unity of mathematics is not an illusion but a reality waiting to be uncovered.