6 Bible Verses about Accreditation

So, if you consider me a comrade, take him to your bosom as you would me.

Now while the people were on tiptoe in their expectations, and they were all arguing in their hearts about John whether he was himself the Christ, John expressly answered them all, "I am baptizing you in water only, but there is coming the One who is stronger than I am, whose shoestrings I am not fit to untie. He will baptize you in the Holy Spirit and in fire; His winnowing-fork is in His hand, and He will clean out His threshing-floor, and store His wheat in His barn; but He will burn up the chaff with fire inextinguishable."

He said to them, "Doubtless you will quote this proverb to me, 'Doctor, cure yourself! Do the things here in your hometown that we hear you did in Capernaum.'" He added, "I solemnly say to you, no prophet is welcome in his native neighborhood.

"If I bear witness to myself, my testimony is of no force, There is someone else who testifies to me, and I know that the testimony which He gives to me is of force. You yourselves sent to John, and he has testified to the truth.read more.
However, I do not accept mere human testimony, but I am saying this that you may be saved. John was the lamp that kept on burning and shining, and you decided for a time to delight yourselves in his light. But I have testimony that is higher than John's, for the works which my Father has committed to me to finish, the very works that I am doing, testify to me that the Father has sent me; yes, the Father who has sent me has testified to me Himself. You have never heard His voice nor seen His form; and you do not keep His message living in you, because you do not believe in the messenger whom He has sent. "You keep on searching the Scriptures, for you yourselves suppose that you will get possession of eternal life through them; and yet they are witnesses that testify to me, but you refuse to come to me to get possession of life.

Paul, Silvanus, and Timothy to the Thessalonian church in union with God the Father and the Lord Jesus Christ: spiritual blessing and peace be to you. We always thank God for you all as we continually mention you in our prayers, for we can never for a moment before our God forget your energizing faith, your toiling love, and your enduring hope in our Lord Jesus Christ.read more.
For we know, brothers so beloved by God, that He has chosen you, for our preaching of the good news came to you not entirely in words but with power and with the Holy Spirit and with absolute certainty (for you know the kind of men we were among you for your own sakes). And you followed the example set by us and by the Lord, because you welcomed our message with a joy inspired by the Holy Spirit, in spite of the painful persecutions it brought you, so that you became examples to all the believers in Macedonia and Greece. (1:7) For the message of the Lord has rung out from you, not only in Macedonia and Greece, but everywhere the report of your faith in God has been told, so that we need never mention it. For the people themselves tell us what a welcome you gave us, and how you turned from idols to the true God, to serve the God who lives on and is real, and to wait for the coming from heaven of His Son, whom He raised from the dead, Jesus who delivers us from the wrath to come.

for since we have been so approved by God as to be entrusted with the good news, we are now telling it, not to please men but God, who proves and finds approved our hearts. Indeed, we never resorted to flattery, as you are well aware, nor to any pretext for making money; God is our witness. We never sought praise from men, either from you or from anyone else; although as apostles we could have stood on our official dignity.