Full Idea
The existence of the first mover is necessary, and in that it is necessary it is good.
Gist of Idea
The first mover is necessary, and because it is necessary it is good
Source
Aristotle (Metaphysics [c.324 BCE], 1072b10)
Book Reference
Aristotle: 'Metaphysics', ed/tr. Lawson-Tancred,Hugh [Penguin 1998], p.374
A Reaction
This is the direct antithesis of David Hume's is/ought distinction (that the universe is value-free).