30 Jesus decidedly replied, and said, "This voice (or: sound) has occurred (happened; come to be) not because of Me, but rather because of you folks (= for your benefit).
John 12:30 Cross References - JMNT
John 5:34
34 "yet, for Myself, I am not by habit taking the witness (or: receiving testimony or claim) from a person (from [the] side of a human), but rather, I presently say these things to the end that you folks yourselves may be delivered (or: could and would be rescued, saved, made healthy and whole, and restored to your original condition).
John 11:15
15 "And because of you folks I am progressively rejoicing that I was not there, so that you can trust (or: would believe). But now, we can (or: should) be going to him."
John 11:42
42 "and I, Myself, have seen and thus know that You habitually listen and constantly hear Me at all times (always), but nevertheless, because of the crowd standing around, I spoke – to the end that they could trust and believe that You commissioned and sent Me forth as an Emissary (Representative)."
2 Corinthians 8:9
9 For you people continue knowing by experience the grace of Jesus Christ (or: the favor whose source and being is Jesus [the] Anointed), our Lord (Master; Owner), that although continuously existing being rich (wealthy), because of and for the sake of you folks He became destitute and led the life of a beggar, to the end that by and in the destitution and poverty of That One, you yourselves could (or: should; may; would) come to be rich (wealthy).