The phrase "ten years to educate people and a hundred years to plant trees" implies that a country, a nation and a family can succeed, multiply and inherit only by cultivating people well. From "Three Repairs of Management Power".
Tree: cultivate, cultivate. Metaphor training talents is a long-term solution. It also means that it is not easy to train talents. Metaphor: Cultivating and educating a talent depends on the students' own efforts, and cultivating a person's success requires the participation of three generations. Metaphor is the process of cultivating talents. It is also a metaphor that cultivating talents is a long-term solution. He also said that it is not easy to train talents.