nction, and why do we regard it as not only a
legitimate sanction of conduct, but as the most important of all
sanctions, and, in cases of conflict, the supreme and final sanction?

The answer to this question is that, if we regard an action as wrong, no
matter whether our opinion be correct or not, no external considerations
whatsoever can compensate us for acting contrary to our convictions.
Human nature, in its normal condition, is so constituted that the
remorse felt, when we look back upon a wrong action, far outweighs any
pleasure we may have derived from it, just as the satisfaction with
which we look back upon a right action far more than compensates for any
pain with which it may have been attended. The 'mens sibi conscia recti'
is the highest reward which a man can have, as, on the other hand, the
retrospect on base, unjust, or cruel actions constitutes the most acute
of torments. Now, when a man looks back upon his past actions, what he
regards is not so much the result of his acts as the intention and the
motives by which the intention was actuated. It is not, therefore, what
he would now think of the act so much as what he then thought of it that
is the object of his approbation or disapprobation. And, consequently,
even though his opinions as to the nature of the act may meanwhile have
undergone alteration, he approves or disapproves of what was his
intention at the moment of performing it and of the state of mind from
which it then proceeded. It is true that the subsequent results of our
acts and any change in our estimate of their moral character may
considerably modify the feelings with which we look back upon them, but,
still, in the main, it holds good that the approval or disapproval with
which we regard our past conduct depends rather upon the opinions of
right and wrong which we entertained at the moment of action than those
which we have come to entertain since. To have acted, at any time, in a
manner contrary to what we then supposed to be right leaves behind it a
trace of dissatisfaction and pain, which may, at any future time,
reappear to trouble and distress us; just as to have acted, in spite of
all conflicting considerations, in a manner which we then conceived to
be right, may, in after years, be a perennial source of pleasure and
satisfaction. It is characteristic of the pleasures and pains of
reflexion on our past acts (which pleasures and pains of reflexion may,
of course, connect themsel