WHAT IS TRUE RELIGION?
So, what is the true religion that God has introduced to us? The divine book describes the religion it brings as human nature, seeing it as the "submission to the Creator" inherent in all human beings. In the language of the Quran, this religion and this submission are called Fitrah "nature/creation."
30. So set you your face towards the religion of Hanifa (worship none but Allah Alone) Allah's Fitrah, with which He has created mankind. No change let there be in Khalqillah(Allah's Khalq-Allah's creation), that is the straight(Qayyim) religion, but most of men know not.
The word "Qayyim", which is translated as "Right/Solid" as an adjective of religion, means "durable, strong, fulfilling, upright".
161. Say: "Truly, my Lord has guided me to a Straight Path, a right religion, the religion of Ibrahim (Abraham), Hanifa and he was not of Al-Mushrikun(polytheists)"
40. You do not worship besides Him but only names which you have named (forged), you and your fathers, for which Allah has sent down no authority. The command (or the judgement) is for none but Allah. He has commanded that you worship none but Him, that is the (true) straight religion, but most men know not.
5. And they were commanded not, but that they should worship Allah, and worship none but Him Alone (abstaining from ascribing partners to Him), and perform As-Salat (Iqamat-as-Salat) and give Zakat: and that is the right religion.
The true religion is about uniting Allah, that is, being Hanifa, and it is said that the Judgment belongs only to Allah.