Appealing to several selected passages with minimal comment should document this particular doctrine. For example, one of the most mature disciples in the Old Testament was the author of the 119th Psalm. By God’s grace and sufficient resources, namely the words from the Word, his maturity was obvious (cf., e.g., vv. 5, 11, 13–16, 22–24, 30–32, 47–48, 67, 93, 97–104, etc. [incidentally, some have accused him of braggadocio, but these and his other seemingly boastful testimonies
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