You can’t put a limit on anything. The more you dream, the farther you get.
挑战让生活有趣,而克服挑战让生活有意义。
你说得越多,就越有可能说些愚蠢的话。
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
That which does not kill us makes us stronger.
处理一个不自由的世界唯一的方法就是变得如此绝对自由,以至于你的存在本身就是一种反叛。