我本可以拥有另一种生活，但我正在过这种生活。
There was another life that I might have had, but I am having this one.
过去并未死去，它甚至还未过去。
The only way to discover the limits of the possible is to go beyond them into the impossible.
模形式的算术是数论更深层次对称性的反映。