Full Idea
Metaphysics doesn't let itself be held back by anything empirical, and indeed goes right to Ideas, where examples themselves fail.
Gist of Idea
Metaphysics goes beyond the empirical, so doesn't need examples
Source
Immanuel Kant (Groundwork of the Metaphysic of Morals [1785], 412.36)
Book Reference
Kant,Immanuel: 'The Moral Law (Groundwork of Morals)', ed/tr. Paton,H.J. [Hutchinson 1948], p.76