"The essence of mathematics lies in its freedom."
普通人与战士的区别在于,战士将一切视为挑战,而普通人将一切视为祝福或诅咒。
别找错,找解决办法。
The chemical industry is the backbone of modern civilization, and we must treat it with the responsibility it deserves.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.