在数学中，提出问题的艺术必须比解决问题更有价值。
创新不仅仅是技术，更是改变思维方式。
If history were taught in the form of stories, it would never be forgotten.
If you enter this world knowing you are loved and you leave this world knowing the same, then everything that happens in between can be dealt with.
My wallpaper and I are fighting a duel to the death. One or other of us has to go.