"The useful is the noble and the hurtful is the base."

"All learning is in the learner, not the teacher."

"The thing to be done does not choose, I imagine, to tarry the leisure of the doer, but the doer must be at the beck of the thing to be done, and not treat it as a secondary affair."

"Self-conquest is the greatest of victories."

"The direction in which education starts a man will determine his future life."