Even those who in words deny any difference between right and wrong, do in fact admit its existence, by their attempts to justify that opinion.
Though weaker, or less regarded in some than in others, every man is conscious of a faculty in himself which sits in judgment on his own conduct, and that of others, approving or condemning it as right or wrong.

In all lands, and in all ages, the common sense of mankind has acknowledged the existence and moral authority of conscience, as distinct from and superior to mere intellect.

No language of man is destitute of words conveying the ideas of virtue and vice, of goodness and wickedness.

When one attempts to deceive you by a willful lie, you are sensible not only of an intellectual process of reason detecting the error, but of a distinct judgment of disapprobation of the crime.

When one who has received kindness from a benefactor, neglects to make any acknowledgment of it, cherishes no feelings of gratitude, and insults and abuses the friend who succored him, we are conscious, not merely of the facts, as phenomena to be observed, but of the ingratitude, as a crime to be detested.