Preaching is to much avail, but practice is far more effective. A godly life is the strongest argument you can offer the skeptic.
Hosea BallouHow white are the fair robes of Charity as she walketh amid the lowly habitations of the poor!
Hosea BallouFew things in this world more trouble people than poverty, or the fear of poverty; and, indeed, it is a sore affliction; but, like all other ills that flesh is heir to, it has its antidote, its reliable remedy. The judicious application of industry, prudence and temperance is a certain cure.
Hosea Ballou