Brevity and conciseness are the parents of correction.
It is but a step from companionship to slavery when one associates with vice.
Self-respect is the best of all.
Envy may justly be called "the gall of bitterness and bond of iniquity;" it is the most acid fruit that grows on the stock of sin, a fluid so subtle that nothing but the fire of divine love can purge it from the soul.
Theories are always very thin and insubstantial, experience only is tangible.
Preaching is to much avail, but practice is far more effective. A godly life is the strongest argument you can offer the skeptic.