Reasons Of Obey

Those are limits set by Allah: those who obey Allah and His Messenger will be admitted to Gardens with rivers flowing beneath, to abide therein (for ever) and that will be the supreme achievement.But
those who disobey Allah and His Messenger and transgress His limits will be admitted to a Fire, to abide therein: And they shall have a humiliating punishment.

(Surah Nisa) {Versr No.13,14}