That in every thing you are enriched by him, in all utterance, and in all knowledge;
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Ambrosiaster
AD 400
This means that the Corinthians have remained steadfast in the grace which they have received and in the preaching of the doctrine of truth, because they have acquired spiritual knowledge. Paul therefore gives thanks to God for these things. Commentary on Paul’s Epistles.
That in everything ye are enriched by Him (by Christ), in all utterances (of the preaching of the Gospel), and in all knowledge, that Isaiah , in spiritual understanding of Him. In other words, I give thanks to God, because by me and Apollos He put before you, richly, the preaching and doctrine of the Gospel and a perception and understanding of it.
Rich in him in all knowledge. The apostles never addressed any epistle, except to persons who had been previously converted to the faith. Nor is it reasonable to expect, that infidel and pagan nations, merely by reading the inspired writings, will be able, by the light that is in them, to elicit from the said book the truths of religion. Would they not be tempted to worship the wily serpent, that succeeded in deceiving Eve? and how will they know that this serpent is the devil? (Haydock)
There is knowledge which goes beyond speech. Many have knowledge which they cannot express —for example, those who are uneducated and unable to express themselves clearly. But the Corinthians were not like them. They were able both to understand and to speak.
In all utterance, and all knowledge. Word [or utterance,] not such as the heathen, but that of God. For there is knowledge without word, and there is knowledge with word. For so there are many who possess knowledge, but have not the power of speech; as those who are uneducated and unable to exhibit clearly what they have in their mind. You, says he, are not such as these, but competent both to understand and to speak.
