Matter is bottom of everything, ii. 4.5 (12-[201]).
Matter is cause of evils, even if corporeal, i. 8.8 (51-[1153]).
Matter is disposition to become something else, ii. 4.13 (12-[214]).
Matter is improved by form, vi. 7.28 (38-[745]).
Matter is incorporeal, ii. 4.9 (12-[206]).
Matter is nonentity, i. 8.5 (51-[1148]).
Matter is non-essential otherness, ii. 4.16 (12-[218]).
Matter is not a body without quality, but with magnitude, vi. 1.26 (42-[880]).
Matter is not being and cannot be anything actual, ii. 5.4 (25-[347]).
Matter is not composite, but simple in one, ii. 4.8 (12-[205]).