Even a small quantity of something excellent is highly valuable, and a large quantity is never too much; indicating the preciousness and rarity of good people or good things.
像他这样品学兼优的学生，真是百不为多，一不为少，学校应该好好培养。
A student like him, excellent in both character and academics, is truly precious; even one is invaluable, and a hundred would not be too many, the school should cultivate such talents well.
Era:
Ancient
Frequency:
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