During a discussion with a sunni about why the ritual salat is not found in the Quran , he raised the following point "The point here is these rival factions(sunnis & shias) were enemies since the Shia inception how is it possible for them to collaborate with each other to make Salaah with almost the same ritualistic movements?

Any thoughts?

During a discussion with a sunni about why the ritual salat is not found in the Quran , he raised the following point "The point here is these rival factions(sunnis & shias) were enemies since the Shia inception how is it possible for them to collaborate with each other to make Salaah with almost the same ritualistic movements?

Any thoughts?