Just there a WORD comes in to fill the blank.)

So it was with this expression, “Human Dignity.” A most acceptable phrase was brought into currency.

Thereon every system of Morals, that was spun out through all classes of duty, and all forms of casuistry, found a broad basis; from which serene elevation it could comfortably go on preaching.

At the end of his exposition (p. 124; E., p. 97), Kant says: “But how it is that Pure Reason without other motives, that may have their derivation elsewhere, can by itself be practical; that is, how, without there being any object for the Will to take an antecedent interest in, the simple principle of the universal validity of all the precepts of Pure Reason, as laws, can of itself