A somewhat free translation, still, I think, a fair rendering of the
sense of the Latin: Oportet igitur processum emanationis a Deo uniri
quidem in ipso principio, multiplicari autem secundum res infimas ad
quas terminatur. How reconcile this statement with the law of
biology, that simplicity (one organ for all work) prevails in the lower
types, differentiation in the higher? A reconciliation may be sought
from St Thomas himself, B. III, Chap. LXXVII,
where he argues that perfection implies unity of direction, with
multiplicity of subordinates, -- in one word, organisation.