whenever i watch people like zakir naik talk i notice majority of the time the phrase peace upon him is used often and hence i was fascinated to find out why. when i googled this is what i found out The phrase “Peace Be Upon Him” is used by Muslims as a mark of respect and veneration for Muslim prophets and other figures of respect. for more information check out https://www.wise-geek.com/why-do-muslims-use-the-phrase-peace-be-upon-him.htm