I really need to frame it somewhere to read it first thing in the morning as a reminder and definitely, before teaching certain groups of students.

I’ve come to the frightening conclusion that I am the decisive element in the classroom. It’s my daily mood that makes the weather. As a teacher, I possess a tremendous power to make a child’s life miserable or joyous. I can be a tool of torture or an instrument of inspiration. I can humiliate or humor, hurt or heal. In all situations, it is my response that decides whether a crisis will be escalated or de-escalated and a child humanized or de-humanized.”

Haim G. Ginott, Teacher and Child: A Book for Parents and Teachers

“What do we say to a guest who forgets her umbrella? Do we run after her and say “What is the matter with you? Every time you come to visit you forget something. If it’s not one thing it’s another. Why can’t you be like your sister? When she comes to visit, she knows how to behave. You’re forty-four years old! Will you never learn? I’m not a slave to pick up after you! I bet you’d forget your head if it weren’t attached to your shoulders.” That’s not what we say to a guest. We say “Here’s your umbrella, Alice,” without adding “scatterbrain.”
Parents need to learn to respond to their children as they do to guests.”
– Haim G. Ginott, Between Parent and Child: The Bestselling Classic That Revolutionized Parent-Child Communication