The Vedanta Sutras, commentary by Sankaracharya (SBE34), tr. by George Thibaut  at sacred-texts.com
23. And because the case is analogous to that of stones, &c. (the objections raised) cannot be established.
As among minerals, which are all mere modifications of earth, nevertheless great variety is observed, some being
precious gems, such as diamonds, lapis lazuli, &c., others, such as crystals and the like, being of medium value, and others again stones only fit to be flung at dogs or crows; and as from seeds which are placed in one and the same ground various plants are seen to spring, such as sandalwood and cucumbers, which show the greatest difference in their leaves, blossoms, fruits, fragrancy, juice, &c.; and as one and the same food produces various effects, such as blood and hair; so the one Brahman also may contain in itself the distinction of the individual Selfs and the highest Self, and may produce various effects. Hence the objections imagined by others (against the doctrine of Brahman being the cause of the world) cannot be maintained.--Further 1 arguments are furnished by the fact of all effect having, as Scripture declares, their origin in speech only, and by the analogous instance of the variety of dream phantoms (while the dreaming person remains one).
346:1 Which arguments, the commentators say, are hinted at by the 'and' of the Sûtra.