Sorry if i offended you or any one here, when i respond sometimes i respond to users all together wihtout copying and pasting what every one said, i only make my answer one subject responding them.
Pbuh mean peace be upon him, we muslims use it when we talk about prophets like Muhammed, Jesus, Moses, Adam (for respect) when we talk about prophets we must put it after thier names. Also we use ra with prophet Muhammed companions which mean may ALLAH be pleaed with him.
I will try to respond on other saying tomorrow if Allah wants, its a little bit late here.
