Gregory the Dialogist

And we know that in the tabernacle of God not only bowls but also, by the Lord's command, cups were made. By bowls, indeed, abundant teaching is designated; by cups, however, small and limited knowledge. One person, full of the teaching of truth, intoxicates the minds of his hearers. By what he says, therefore, he surely offers a bowl. Another cannot fully express what he perceives, but because he proclaims it in some way, he surely offers a taste through a cup. …

Forty Gospel Homilies, Homily 6 ↗