There is not a single outward mark of courtesy that does not have a deep moral basis.

Precaution is better than cure.

The man of understanding finds everything laughable.

Were not the eye made to receive the rays of the sun, it could not behold the sun; if the peculiar power of God lay not in us, how could the godlike charm us?

Let no one be like another, yet everyone like the highest. How is this done? Be each one perfect in himself.

Don't dissipate your powers; strive to concentrate them. Genius thinks it can do whatever it sees others doing, but it will surely repent of every ill-judged outlay.

He who is resolute conquers grief.