To be ignorant of one's ignorance is the malady of the ignorant.
One must espouse some pursuit, taking it kindly at heart and with enthusiasm.
Experience converts us to ourselves when books fail us.
There is virtue in country houses, in gardens and orchards, in fields, streams and groves, in rustic recreations and plain manners, that neither cities nor universities enjoy.
Enthusiasm is essential to the successful attainment of any high endeavor.
One must be a wise reader to quote wisely and well.