Sheikh Mohammed Mohsin Fäni (Circa 1615-1670) author of book Dabistan-é-Muzahib (Anthology of Religions) circa 1645

The Bäni i.e. poems of Nanak are, as if they were redolent (fragrance) of devotion and wisdom. Disciples of Guru Nanak condemn idol worship. Their belief is that all their Gurus are Nanaks. They do not read the Mantras of the Hindus. They do not venerate their temples of idols nor do they beatify their avatars. They do not have deference for Sanskrit, which according to the Brahmins is the holy language of the angels.

He was the contemporary of Guru Arjun Dev Ji and Guru Hargobind Sahib Ji. In this book ‘DABISTAN MAJAIB’ he has written that Guru Hargobind Singh never raised his Sword in Anger or for revenge. He used to raise it only for two things either to save innocent blood or for self-defense. Never did he punish the innocent with it. He was fair and square in his dealings.