It's not going to come out the same way it went in.
Daryl Kimball in Wikipedia
The greatest waste in the world is the difference between what we are and what we could become.
The man with the ball is responsible for what happens to the ball.
(December 20, 1881 - December 09, 1965)
Don't try to fix the students, fix ourselves first. The good teacher makes the poor student good and the good student superior. When our students fail, we, as teachers, too, have failed.