لَيْسَ عَلَيْهِ إِلَّا مَا أَسْلَمَ فِيهِ.
“I once asked abu ‘ Abd Allah (a.s.), about the case of one who becomes a Muslim in the middle of the month of Ramadan, if he owes any fast. He (the Imam) said, ‘There is no fast upon him except that (day) in which he has become a Muslim.”’