Those who know how to think need no teachers.

Those who know how to think need no teachers.

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.

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.

Teaching is the greatest act of optimism.

Teaching is the greatest act of optimism.

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

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

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

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

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

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

Diligence is a great teacher.

Diligence is a great teacher.