In other words, millet can be harvested in one year, while planting trees takes ten years to grow into towering trees, and people need a lifetime of hard work to succeed.

[Explanation] Tree: cultivate, cultivate. Metaphor training talents is a long-term solution. It also means that it is not easy to train talents.

[Source] "Pipe Total Repair": "A year's plan is like a tree valley; The ten-year plan is nothing more than a tree; A lifelong plan is nothing more than a tree. "

Westerners all know that it is necessary to train talents well.

Extended data

Three generations of gentlemen. It takes a long time to make small trees into wood. It takes more time to train a talent, which is a long-term solution and very difficult.

Therefore, this sentence implies that a country, a nation and a family can succeed, multiply and inherit only by cultivating people well. As the ancients said, there are descendants from generation to generation, and the new generation changes the old. In this way, human beings can reproduce and live forever.

References:

Baidu encyclopedia? It takes ten years for trees to grow tall and a hundred years for talents to mature ―― it takes a long time to cultivate people.