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Never give up on something you really want. It's difficult to wait, but more difficult to regret.
The pursuit of mathematical truth is a never-ending adventure.
"La memoria es frágil, pero la literatura puede salvarla del olvido."
The art of living is to know when to hold fast and when to let go.
一个人不应该发愁没有官位俸禄,而应该发愁没有为官的本领。不应该发愁别人不了解自己,而应追求能够让别人了解自己的才能。