Full Idea
Morality consists in the relation of all action to the making of laws whereby alone a kingdom of ends is possible.
Gist of Idea
Morality is the creation of the laws that enable a Kingdom of Ends
Source
Immanuel Kant (Groundwork of the Metaphysic of Morals [1785], AA434 p.102), quoted by Terry Pinkard - German Philosophy 1760-1860 02
Book Reference
Pinkard,Terry: 'German Philosophy 1760-1860' [CUP 2002], p.54
A Reaction
Each individual gives themselves a law in the categorical imperative. Presumably the kingdom of ends is the convergence of these laws, because the categorical imperative has to be rational.