He who labors diligently need never despair; for all things are accomplished by diligence and labor.

He who labors diligently need never despair; for all things are accomplished by diligence and labor.

That which ordinary men are fit for, I am qualified in. and the best of me is diligence.

That which ordinary men are fit for, I am qualified in. and the best of me is diligence.

I had a terrible education. I attended a school for emotionally disturbed teachers.

I had a terrible education. I attended a school for emotionally disturbed teachers.

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

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

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.

Your best teacher is your last mistake.

Your best teacher is your last mistake.

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 the mother of good luck.

Diligence is the mother of good luck.

Persevere in virtue and diligence.

Persevere in virtue and diligence.