Selfishness is the root and source of all natural and moral evils.

These two rules make the best system: first, have something to say; second, say it.

Selfishness is the root and source of all natural and moral evils.

Obedience to God is the most infallible evidence that creatures can exhibit of their sincere and supreme love to him.

One principal reason why men are so often useless is that they neglect their own profession or calling, and divide and shift their attention among a multitude of objects and pursuits.

The weakest spot in every man is where he thinks himself to be the wisest.

Steady, patient, persevering thinking will generally surmount every obstacle in search of truth.