Exodus6:12
And Moses spake before the LORD, saying, Behold, the children of Israel have not hearkened unto me; how then shall Pharaoh hear me, who am of uncircumcised lips?
Exodus 6 · King James Version
Learn it by heart — five steps, then Hosea brings it back just before you would forget.
Get HoseaHosea is coming to the App Store.