Why is it that men have not done as Jesus commanded them, and thus secured the greatest happiness within their reach, the happiness they have always longed for and still desire? The reply to this inquiry is always the same, although expressed in different ways. The doctrine of Jesus (we are told) is admirable, and it is true that if we practiced it, we should see the kingdom of God established upon earth; but to practice it is difficult, and consequently this doctrine is impracticable. The doctrine of Jesus, which teaches men how they should live, is admirable, is divine; it brings true happiness, but it is difficult to practice. We repeat this, and hear it repeated so many, many times, that we do not observe the contradiction contained in these words. It is natural to each human being to do what seems to him best. Any doctrine teaching men how they should live instructs them only as to what is best for each. If we show men what they have to do to attain what is b...