The struggle through the ages between people who worship the One God, the Creator, Vs. people who worship the creation -- sources of power from nature such as the sun. This lecture analyses the historical compromise between Monotheism by the early Christians, and roman pagans. How such holidays originated as "Sun-day", and "Christmas".
"None of you will enter paradise unless you believe and none of you truly believe unless you love one another" Prophet Muhammad (pbuh)
All humans are dead except those who have knowledge; and all those who have knowledge are asleep, except those who do good deeds; and those who do good deeds are deceived, except those who are sincere.[Imam Shaf'i]