The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
写作是一种乐观的行为。如果你觉得它不重要,你就不会费心去做。
We are all haunted by the ghosts of our own making.
数学中最深刻的问题往往源于最简单的问题。
艺术是灵魂的语言。