Diligence is the mother of good fortune.

Diligence is the mother of good fortune.

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

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

Those who know how to think need no teachers.

Those who know how to think need no teachers.

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

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

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.

Few things are impossible to diligence and skill ... Great works are performed, not by strength, but perseverance.

Few things are impossible to diligence and skill ... Great works are performed, not by strength, but perseverance.

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.

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

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

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

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