What was written in the photo of the students taking a group photo on the day the teacher died?

The teacher's kindness is so heavy that students dare not forget it.

The farewell photo of the teacher's death should not only express respect for the teacher, but also express unforgettable feelings for the teacher, so it can be written as a mountain of gratitude for the teacher, and students dare not forget this sentence.

When taking photos with teachers and classmates, smile and pay attention to your posture. The teacher put his right hand on his classmates' shoulders, giving people a cordial feeling.