It takes ten years for a tree to grow, but it takes a hundred years for a tree to grow. The kindness of the willow is unforgettable: even the small kindness of the willow is unforgettable. Warn us to be grateful.

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.

Metaphorically speaking, the cultivation of talents is a century-long plan, which is hard to describe.

I will never forget the kindness of putting a willow tree in my heart.

I can't forget the teacher's education and cultivation of "I". Even a little kindness cannot be forgotten.