The obligation to know Allah and affirm His oneness

• Proofs of the existence of Allah Ta'ala
• The submission of all things to Allah Ta'ala
• Mountains will crumble if Allah manifests upon them
• Tawhid Rububiyyah (Oneness of Lordship)
• Tawhid Uluhiyyah (Oneness of Worship)
• The Throne (Arsh)
• Allah's purity from any partner or child
• Allah's proofs against His servants
• Having good thoughts about Allah
• Lying about Allah
• The laws of nature