Sentence:  <WSD>Moses</WSD> supposes his toeses are roses, / But <WSD>Moses</WSD> supposes erroneously, / <WSD>Moses</WSD> he knowses his toeses aren't roses, / As <WSD>Moses</WSD> supposes his toeses to be! 
Meaning of the word marked with <WSD> tags:  The pharaonic patriarch who led the slaved Hebrews out of Egypt, the brother of Aaron and Miriam described in the Book of Exodus and the Quran.