He devoted his 7th and 8th volumes to the interpretation of Chapter Ya-seen.[12] The other commentaries by Sadra are as follows: Interpretation on Surah 56 (al-Waqi'ah), Surah 57 (Al-Hadid); Surah 62 (al-Jumu'ah); Surah 65 (al-Talaq); Surah 86 (al-Tariq); Surah 87 (al-A'la); Surah 93 (al-Duha) and Surah 99 (al-Zilzal).[13]