1 Bible Verses about Egotism

I wrote to the congregation: but Diotrephes, who affects a pre-eminence among them, does not receive us. For this cause, when I come, I will bring his deeds to remembrance, which he practices-prating against us with malicious words; and, not content with this, he does not himself receive the brethren, and forbids them who would, and casts them out of the congregation.