Understanding Islam Understanding Islam

And certainly, you (O Muhammad صلى الله عليه وسلم) call them to the Straight Path (true religion - Islâmic Monotheism).
[Quran 23:73]

Or say they: There is madness in him? Nay, but he brought them the truth [i.e. Tauhîd: Worshipping Allâh Alone in all aspects, the Qur’ân and the religion of Islâm], but most of them (the disbelievers) are averse to the truth.
Quran 23:70

And We task not any person except according to his capacity, and with Us is a Record which speaks the truth, and they will not be wronged. [Quran 23:62]

And verily this your religion (of Islâmic Monotheism) is one religion, and I am your Lord, so fear (keep your duty to) Me.
Quran 23:52

Say, "O My servants who have transgressed against themselves [by sinning], do not despair of the mercy of Allāh. Indeed, Allāh forgives all sins. Indeed, it is He who is the Forgiving, the Merciful."
Quran 39:53

And We sent to them a Messenger from among themselves (saying): "Worship Allâh! You have no other Ilâh (God) but Him. Will you not then be afraid (of Him i.e. of His punishment because of worshipping others besides Him)?"
Quran 23:32