It is a work of rare benefit and easy accessibility.
Among his writings is the refutation of the Christians, which he entitled al-Jawāb al-Ṣaḥīḥ liman Baddala Dīn al-Masīḥ (“The Sound Response to Whoever Altered the Religion of the Messiah”), in two volumes; some copies (1) run to three volumes, and others to even more (2). Many of his larger works likewise vary in length from manuscript to manuscript.
This book is one of his most distinguished and most fruitful compositions: it affirms the truth of prophethood with clear, luminous proofs, offers commentary on many Qurʾanic verses, and treats a host of other important matters.
Among his works as well is the book al-Īmān (“Faith”) in a single volume (3). It is a monumental work, the like of which no one before him had