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学习数学的唯一方法就是做数学。
My whole life has been a struggle against fear and anxiety.
如果我们能在80岁的时候出生,然后慢慢走向18岁,那生活将会幸福无比。
To live is the rarest thing in the world. Most people exist, that is all.
The most important things in life often cannot be expressed in words.
A mathematical truth is universal and eternal.