A teacher who can arouse a feeling for one single good action, for one single good poem, accomplishes more than he who fills our memory with rows and rows of natural objects, classified with name and form.

There is nothing more frightful than for a teacher to know only what his scholars are intended to know.

Uncursed by doubt, our earliest creed we take; We love the precepts for the teacher's sake.

Everything I learn about teaching I learn from bad students.

Whatever you teach, be brief; what is quickly said, the mind readily receives and faithfully retains, everything superfluous runs over as from a full vessel.

The question mark is the teacher's badge.

The object of teaching a child is to enable him to get along without his teacher.

The teacher is one who makes two ideas grow where only one grew before.

I would have all the professors in colleges, all the teachers in schools of every kind, including those in Sunday schools, agree that they would teach only what they know, that they would not palm off guesses as demonstrated truths.

You cannot, by all the lecturing in the world, enable a man to make a shoe.