'In Me' in the Bible

For there are certain men crept in unawares, who were before of old ordained to this condemnation, ungodly men, turning the grace of our God into lasciviousness, and denying the only Lord God, and our Lord Jesus Christ.

But these people [i.e., the "certain men" of verse 4] speak against whatever they do not understand, and what they do understand naturally, the way animals do, proves to be their ruination.

But you, my loved ones, keep in memory the words which were said before by the Apostles of our Lord Jesus Christ,