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

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

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.

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

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

Your best teacher is your last mistake.

Your best teacher is your last mistake.

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

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

No bubble is so iridescent or floats longer than that blown by the successful teacher.

No bubble is so iridescent or floats longer than that blown by the successful teacher.

Experience is a good teacher, but she sends in terrific bills.

Experience is a good teacher, but she sends in terrific bills.

Diligence is a great teacher.

Diligence is a great teacher.

I like a teacher who gives you something to take home to think about besides homework.

I like a teacher who gives you something to take home to think about besides homework.