An adult ages, an adult can get sick and die. An adult does not necessarily mean the person is grown, can still be foolish, as the only thing that has grown is the mortal body. An Adult is not equivalent to wisdom, or understanding. Therefore an adult is speaking to the terrestrial body, not the Spirit Being. A Transfigured Man is perfect, cannot age, get sick or die. A Transfigured man is wise, has the fullness of the knowledge of the truth, and has gained his access into heaven. A transfigured Man as the Celestial body, the image of the Son of GOD, Adam (H.E).