This, the following, and the last honorable Ayah in this Surah contain the knowledge of Al-Fara'id, inheritance. The knowledge of Al-Fara'id is derived from these three Ayat and from the Hadiths on this subject which explain them. Learning this knowledge is encouraged, especially the specific things mentioned in the Ayat. Ibn `Uyaynah said; "Knowledge of Al-Fara'id was called half of knowledge, because it effects all people.'' o