This is a brief essay in which is included an explanation of what the imam of the blessed dawah Al-Shaikh Muhammad bin 'Abdul-Wahhab (may Allah have mercy on him) provided, as evidence for the conditions of (La Ilaha Illa Allah-there is no diety of worthy of worship except Allah) and an abridgment of it by Shaikh 'Obaid bin 'Abdullah bin Sulaiman al-Jabiri