The subjective principle of the Reformation is justification by faith alone, or, rather, by free grace through faith.

The human free-will as a subjective principle has for its objective correlate the notion of possibility, by which one of two alternatives may occur.

The Enlightenment reversed this and predicated virtues on an understanding of subjective (but purported to be universal) principles.

In deontological ethics maxims are understood as a subjective principle of action.

The moral intent is that one can, at the same time, will the subjective principle of action to become a universal law.

It is tempting to interpret this statement as a self-authenticating, subjective principle which Gandhi is able to resort to, namely, the voice of his conscience.

A maxim is thus a subjective principle of action, which the individual makes a rule for himself as to how in fact he will act.

The principle of taste is the subjective principle of the general power of judgement.

It is not surprising that Johnson emerged as a figurehead in that time, since his work has long embodied the subjective principle.

Practical laws, in so far as they are subjective grounds of actions, that is, subjective principles, are termed maxims.