The Testimony of Truth is a Gnostic Christian text. It is the third of three treatises in Codex IX of the Nag Hammadi library texts, taking up pages 29–74 of the codex. The original title is unknown;

In the history of Christianity, docetism was the doctrine that the phenomenon of Jesus, his historical and bodily existence, and above all the human form of Jesus, was mere semblance without any true