This opinion has been, within the last few years, pressed on the public with great zeal and eloquence, and many able pens have been enlisted in its cause.

One of the most popular, and by some regarded one of the most able writers on moral science, has adopted this view as the only one consonant with the principles of Christian morality.
It has been deemed proper, in commencing a course of lectures on war, to make a few introductory remarks respecting this question of its justifiableness.

We know of no better way of doing this than to give on the one side the objections to war as laid down in Dr.Wayland's Moral Philosophy, and on the other side the arguments by which other ethical writers have justified a resort to war.

We do not select Dr.Wayland's work for the purpose of criticizing so distinguished an author; but because he is almost the only writer on ethics who advocates these views, and because the main arguments against war are here given in brief space, and in more moderate and temperate language than that used by most of his followers.

I shall give his arguments in his own language.
"I.