I do not know what you mean by that. What Baha'u'llah wrote about not being God was what He meant. He was not trying to conceal anything. Throughout His Writings Baha'u'llah differentiates Himself from God and says that there is no way
anyone can ever know the Essence of God, not even Himself. He also says that every way is barred from understanding the nature of a Manifestation of God. They are too far above us to understand. They are a different order of creation. Muhammad was a Messenger of God, but He was more than a Messenger.
“Nay, forbid it, O my God, that I should have uttered such words as must of necessity imply the existence of any direct relationship between the Pen of Thy Revelation and the essence of all created things. Far, far are They Who are related to Thee above the conception of such relationship! All comparisons and likenesses fail to do justice to the Tree of Thy Revelation, and every way is barred to the comprehension of the Manifestation of Thy Self and the Day Spring of Thy Beauty.” Gleanings From the Writings of Bahá’u’lláh, p. 4
I am not sure what Tablet that is from.