Quran 30.29-30
Nay, but those who do wrong follow their own lusts without knowledge. Who is able to guide him whom Allah hath sent astray? For such there are no helpers. So set thy purpose (O Muhammad) for religion as a man by nature upright - the nature (framed) of Allah, in which He hath created man. There is no altering (the laws of) Allah's creation. That is the right religion, but most men know not -