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If I have seen further it is by standing on the shoulders of Giants.

做數學就是同時參與創造和發現的行為。

Don't be afraid to give up the good to go for the great.

We don't stop playing because we grow old; we grow old because we stop playing.

有時候你必須和你愛的人分開，但這并不會讓你愛他們少一點。有時候你會更愛他們。