I cannot teach anybody anything, I can only make them think.

I cannot teach anybody anything, I can only make them think.

Teaching is the greatest act of optimism.

Teaching is the greatest act of optimism.

A master can tell you what he expects of you. A teacher, though, awakens your own expectations.

A master can tell you what he expects of you. A teacher, though, awakens your own expectations.

Diligence is a great teacher.

Diligence is a great teacher.

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

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

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.

Your best teacher is your last mistake.

Your best teacher is your last mistake.

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

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

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.