The unbelievers have theirs with the furu 'shari'a and with something unlawful is the act of furu' syariat they work except with this something is Islam.
For example: in the verse of al-qur'an, the heavenly askers ask the disbelievers of hell, which means: Why do you go to hell? said by them, we are the ones who leave the prayer.
The benefits given to them by furu 'syariat are to torture them, because they are illegitimate of the furuah of the Islamic syariah for them if they are still in the state of infidels, because the shari'ah of the shari'a is on the intention, which the intention stops also on Islam, a person when there is no intention, is invalid of a person's intention when he is not Muslim.
When a heathen is no longer an unbeliever, and he is a Muslim, he does not worry about the previous shariah, meaning everything he has left (such as prayer), then he is not ordered to pay for the ...