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最危险的武器不是杀人的武器,而是改变思想的武器。
The best ideas often come when you least expect them.
Every patient’s story is a lesson in medicine.
Age is foolish and forgetful when it underestimates youth.
The success of an enterprise is not accidental, but inevitable.
"A book is a friend that never judges you."
If you want to understand a system, try changing it.