تفسير : (by the scripture that maketh plain) and he swore by the scripture which makes plain that that which will happen has already been decreed, i.e. it is plain; it is also said allah swore by the (ha) and (mim) and also by the scripture which makes plain the commands and prohibitions, the lawful and unlawful,
Jalāl al-Dīn al-Maḥallī
تفسير : by the book, the qur’ān, that clarifies, the one that distinguishes what is lawful from what is unlawful.