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Collaboration in mathematics is essential; no one can solve all the problems alone.
人生最重要的是活得开心,其他都是次要。
书籍是我们与逝者沟通的方式。是我们从那些不再与我们同在的人那里学习教训的方式,人类以此为基础,取得进步,使知识逐渐积累,而不是一次又一次地重新学习。
Life is short, and it's up to you to make it sweet.
Sustainability isn't a choice; it's our responsibility to the planet and future generations.