Islam, simple as 1-2-3
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Salam,
Are you a Muslim or one who submits his/her whole being to God? If so, there is no Islam beyond La ilaha ilaa Allah or there is no god except God. Here is the support for this
Surely, those who believe and those who are Jewish and the Christians and the Sabians; whoever believes in God and the last day, they neither worry nor shall they grieve. Qur'an, 262
Assuming you bought that, here is your free piece do good, according to your heart-- not what anyone else says. There is not one law in the Qur'an that you already don't know. Every guiding post in the Qur'an is already in your heart, if you stop and stand still... and listen.
Now, how do you do good? By, of course, believing ALL of your actions will be held for/against you at a 'later' day. Hence questioning whether everything you do is right or wrong, following your heart.
Easy, eh? Why complicate things by going over stupid details?
Cheers cool