The Meccan Revelations: Page 602 from Volume One

It is, in fact, the abandonment of doing no work, and denying homosexuality is a negative attribute, so the relationship between him and God is strengthened. God Almighty said regarding himself, “There is nothing like him,” so he denied that he had a similarity, for He, Glory be to Him, has no equal with rational and legal significance. An-Nasa’i departed from Abu Umamah, saying, “I came to the Messenger of God.” May God’s prayers and peace be upon him, so I said, “Take me a command that I learn from you.” He said, “You must fast, for there is no equal to it.”

So he denied that any of the worships that He prescribed for His servants could be similar to it .