To believe in Allah, the Exalted is the first important pillar of (Iman). The rest of the pillars of Iman are dependent upon the belief in Allah. Nothing describes Allah better than His own words in His Glorious Qur’an. (He is Allah, beside Whom La ilaha illa Huwa (none has the right to be worshipped but He) the All-Knower of the unseen and the seen. He is the Most Gracious, the Most Merciful. (22) He is Allah beside Whom is La ilaha illa Huwa (none has the right to be worshipped but He) the king, the Holy, the One Free from all defects, the Giver of security, the Watcher over His creatures, the All-Mighty, the Compeller, the Supreme. Glory be to Allah! (High is He) above all that they associate as partners with Him. (23) He is Allah, the Creator, the Inventor of all things, the Bestower of forms. To Him belong the Best Names. All that is in the heavens and the earth glorify Him. And He is the All-Mighty, the All-Wise. (24)) (The Noble Qur’an 59:22-24)
Every single atom in this humongous universe submits to Him alone. Nothing can escape from being a slave of Allah.
Allah the Exalted said: (while to Him have submitted all creatures in the heavens and the earth, willingly or unwillingly, and to Him shall they all be returned) (The Noble Qur’an 3:83).
He is the creator, the Owner of everything, the Best Disposer of affairs, the Sustainer, the Ever-living the Exalted He is. To Him Belong the All-Majestic, All-Perfect and All-Beautiful Names and Attributes.
He created His slaves to worship Him alone. He warned them against disobeying Him and associating partners with Him. He neither has a wife nor a son.
Allah the Exalted said: (Say (O Muhammad): “He is Allah, (the) One. (1) “Allah-us-Samad [the Self-Sufficient Master, Whom all creatures need, (He neither eats nor drinks)]. (2) “He begets not, nor was He Begotten ;(3) “And there is none co-equal or comparable unto Him.” (4)) (The Noble Qur’an 112). He is free from having a similitude; (There is nothing like Him, and He is the All-Hearer, the All-Seer.) (The Noble Qur’an 42:11)