Meaning of "Allahu la ilaha illa huwal hayyul qayyum" : This verse is very descriptive of Allah (SWTunitas) and His attributes. "Allahu la ilaha illa huwal hayyul qayyum". This emphasizes the importance of monotheism, the main philosophical principle of Islam.
"la ilaha illa Allah" means nothing worshipped is worthy of worship except Allah. "Muhammadun Rasul Allah" is the assertion of the message of Prophet Muhammad and to believe in it and to adhere to it by speech, action and faith. gglrjk3.