Heard him] He is not thinking of the possibility that some of them had heard Christ teach: they 'heard Him' in listening to the gospel; heard what He taught on earth.

In Jesus] St. Paul rarely uses this name by itself; when he does, he is thinking of the earthly life, death, and rising again. To him Christ is the glorified Christ, 'Jesus Christ,' 'Christ Jesus,' 'the Lord Jesus,' or' the Lord Jesus Christ.'

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