A teacher affects eternity; he can never tell where his influence stops.

A teacher affects eternity; he can never tell where his influence stops.

Teaching is not a lost art, but the regard for it is a lost tradition.

Teaching is not a lost art, but the regard for it is a lost tradition.

Teaching is the greatest act of optimism.

Teaching is the greatest act of optimism.

The mediocre teacher tells. The good teacher explains. The superior teacher demonstrates. The great teacher inspires.

The mediocre teacher tells. The good teacher explains. The superior teacher demonstrates. The great teacher inspires.

The one exclusive sign of thorough knowledge is the power of teaching.

The one exclusive sign of thorough knowledge is the power of teaching.

The teacher is the one who gets the most out of the lessons, and the true teacher is the learner.

The teacher is the one who gets the most out of the lessons, and the true teacher is the learner.

Teachers open the door, but you must enter by yourself.

Teachers open the door, but you must enter by yourself.

Your best teacher is your last mistake.

Your best teacher is your last mistake.

In a completely rational society, the best of us would be teachers and the rest of us would have to read more

In a completely rational society, the best of us would be teachers and the rest of us would have to settle for something else.