Enjoining right and forbidding wrong

ALLAH DOES NOT ACCEPT OTHER THAN ISLAM FROM ANYONE

This is the general concept of Islam, other than which Allah will not accept from anyone. Allah said:

[Whosoever desires other than Islam as his way (deen), that will never be accepted from him, and, in the hereafter, he is among those in abject loss.] Qur’an 3/85

[Allah bears witness that there is no deity other than Him, and the angels (also bear witness) and those having knowledge. He is complete in His justice. There is no deity but Him, the mighty, the wise. Verily the (one and only) way in the sight of Allah is Islam (submission).] Qur`an 3/18-19