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"Children's books should be both a mirror and a window."
The pursuit of mathematical knowledge is a journey that never ends, filled with endless curiosity and wonder.
爱是唯一当你给予时会增长的东西。
The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.
The state is the most important institution in human history.