To American Mothers, on whose intelligence and discretion the safety and prosperity of our Republic so much depend, this volume is respectfully inscribed. _I__ INTRODUCTION. We are told, that when Antipater demanded of the Lacedemonians fifty of their children as hostages, they replied that they would rather surrender fifty of the most eminent men in the state, whose principles were already formed, than children to whom the want of early instruc- tion would be a loss altogether irreparable. The Spartans were wise; and shall Christians be less so ? Oh no;-for we believe that our labor cannot perish even with life;- we believe that, even if the inscrutable providence of God removes these objects of affection from us, neither the pleasure they have poured into our hearts, nor the good we have imparted to them will, or can, be lost.'