bible.com/bible/100/jhn.8.32.NASB1995

“Truth” here has reference not only to the facts surrounding Jesus as the Messiah and Son of God but also to the teaching that He brought. A genuinely saved and obedient follower of the Lord Jesus will know divine truth and both freedom from sin (v. 34) and the search for reality. This divine truth comes not merely by intellectual assent (1Co 2:14) but saving commitment to Christ (cf. Tit 1:1, 2).

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John MacArthur Study Bible