 Regarding questions related to God, 'ibadat, humans should look to the Qur'an or the Sunnah for answers, but regarding the relationship between humans, "mu'amalat", humans should look for the best public solution.Since societies change, al-Shatibi thought that the "mu'amalat" part of the Islamic law also needed to change.Maslaha has also been used by several Muslim reformers in recent centuries.