Clement of Alexandria

Anyway, when the instruction is given to consecrate in a golden vessel the memorial of the food sent down by God from heaven, "the gomor," it is written, "is a tenth part of three measures." For our purposes, "three measures" means three sources of judgment: perception of sensible objects; reason, for evaluating sentences, nouns and verbs; and the intellect, for intelligible objects.

The Stromata Book 2 ↗