Bede, on Prov 23:1

“When thou shalt sit to eat with a prince, consider diligently what is set before thy face.”

“When you sit down to eat with a ruler, etc. All things are said through allegory: When you sit down to read with a teacher, to be refreshed by the bread of the word, diligently understand what is written, and maintain the discernment of sacred reading in your speech, if, however, you are such a one and so learned that you have in your power your soul, and not as an unlearned one in the mind of your teaching. For he placed the throat for speech, because the voice is in the throat; the knife, for discernment, as we prepare food with a cutting knife when we are refreshed. And sitting to eat, he places a knife to his throat, when he who diligently meditates on divine words brings forth discerning words from his mouth, and does not often revolve words on his tongue other than those of the heavenly oracle. This, however, is done by him who has his soul in his power, that is, who has learned to maintain the state of a wise mind unshaken among the errors of the deceivers. Hence he rightly adds:”

Imported from an open dataset — not yet checked against the printed edition.