On many occasions...

On many occasions, they used to cooperate with each other; they would explain theological or jurisprudential books of each other; attend the lessons of each other; applaud each other; support each other; license each other to narrate their reports; ask permission from each other to quote narrations from their books; follow each other in prayers; lead each other in prayers; declare the piety of each other; and approve of each others’ sects.

Moreover, the followers of the various sects used to live together amicably as if there were no disagreement and variance in opinions between them and when scholars from one sect criticized one from the other sect, they would often behave with utter decorum and observe the rules of scientific and objective discussion. There are numerous irrefutable historical proofs of such profound cooperation…