Islam’s cornerstone, Main, and ultimate objective is tawheed, or even the unity of Allah. It necessitates that Allah be the exclusive object of all acts of worship. The 2 statements of religion (Shahadatan) that Muhammad is Allah’s Messenger and that there's no other god deserving of worship encompass this concept. https://kmyacademy.com/reality-of-tawheed-inward-outward-actions/