...and should enroll in remedial courses immediately. I think it was he who came up with, or at least popularized, "a priori", one of the most often trotted out philosophical phrases. At any rate, he uses it with abundance.
It should be "a priore", with a short 'e'. In my opinion, everyone who writes Latin should write like Cicero; he's the hallmark of good Latin prose. His Latin, though convoluted on occasion in his speeches, is refined and impeccable. Aquinas should have read more of him. Or at least should have reviewed the declension of comparatives.