The Innate Practical Principles are for the most part not self-evident; they are, in this respect, not on an equal footing with the Speculative Principles whose innate origin is also disputed.

They require reasoning and explanation in order to be understood.

Many men are ignorant of them, while others assent to them slowly, if they do assent to them; all which is at variance with their being innate.
2.

There is no Practical Principle universally received among mankind.
All that can be said of Justice is that _most men_ agree to recognize it.

It is vain to allege of confederacies of thieves, that they keep faith with one another; for this keeping of faith is merely for their own convenience.