1. Teacher’s kindness is like Heaven, as free and unfettered as Heaven. It contains thousands of birds, which are us, allowing us to fly freely and freely every day and be happy in free knowledge learning.

2. A teacher’s kindness is as selfless as a candle. It illuminates thousands of children, that is us, helping us illuminate the path of learning every day and allowing us to knock on the door of knowledge.

Teacher's kindness refers to the teacher's kindness. For example, the teacher teaches us, which is the kindness to us.