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Mathematics is not a spectator sport—you have to engage with it to appreciate its beauty.
The only limit to our realization of tomorrow is our doubts of today.
诗歌不是奢侈品,而是必需品。
你必须对自己的能力有信心,然后足够坚强地坚持下去。
Memories, even your most precious ones, fade surprisingly quickly. But I don’t go along with that. The memories I value most, I don’t ever see them fading.