A teacher must believe in the value and interest of his subject as a doctor believes in health.

The relation between parents and children is essentially based on teaching

Teaching is reminding others that they know just as well as you. You are all learners, doers and teachers.

That is the difference between good teachers and great teachers: good teachers make the best of a pupil's means; great teachers foresee a pupil's ends.

Teaching of others teacheth the teacher

There are three things to remember when teaching: know your stuff; know whom you are stuffing; and then stuff them elegantly