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Efficiency without sustainability is just a short-term win; true progress is measured in long-term impact.

晏子春秋

Children totally accept — and crave — family rules. “In our family we have a rule for X” is the only excuse a parent needs for setting a family policy. In fact， “I have a rule for X” is the only excuse you need for your own personal policies.

求知若飢，虛心若愚。