A king studies hard with a big heart,
He can learn from others and set an example.
Even if the road is windy and rainy,
Only those who have far-reaching knowledge will build a smooth road.
As a person, you will get a taste of the food: A metaphor for helping others and getting good rewards. Source: "Guoyu · Zhou Yu Xia": "Those who help with food will be able to taste it, and those who help with fighting will be hurt.
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----Original work with heart, willing to get what you want