The Adi Granth, later revered as the Guru Granth Sahib, is the primary sacred scripture of Sikhism and is regarded by Sikhs as their living Guru. Compiled by the fifth Sikh Guru, Guru Arjan, it was first completed in 1604 and later received additional compositions under the authority of Guru Gobind Singh. Written mainly in the Gurmukhi script and drawing on a range of North Indian vernaculars such as Punjabi, Braj, Persian, and related tongues, it presents its message in a language accessible to ordinary seekers. Its pages consist of devotional hymns and poetic compositions that explore the nature of the Divine, the spiritual journey, and the ethical responsibilities of human life. In this way, it stands as both a literary masterpiece and a comprehensive spiritual guide.

The content of the Adi Granth is distinctive in its inclusivity. It preserves the bani, or revealed word, of the Sikh Gurus from Guru Nanak through Guru Arjan, and also incorporates the writings of numerous Hindu bhaktas and Muslim Sufi saints, including figures such as Kabir, Ravidas, Namdev, and Sheikh Farid. This gathering of voices from diverse backgrounds reflects a vision of universal spirituality, in which the same Divine truth resounds through different traditions. The scripture emphasizes the oneness of the formless God (Ik Oankar), devotion and remembrance of the Divine Name, and the necessity of inner transformation. Alongside this mystical orientation, it consistently upholds equality, honest labor, sharing with others, and moral integrity, while rejecting caste hierarchy, empty ritualism, and superstition.

Its status as the central scripture of Sikhism rests not only on its content but also on its spiritual authority and liturgical role. Guru Gobind Singh declared that after him there would be no further human Guru and that the Granth itself would serve as the eternal Guru of the Sikhs. As a result, it is treated as the embodiment of the Guru’s wisdom and presence, consulted for guidance and revered as the final doctrinal authority. In gurdwaras and homes, Sikh worship is organized around the Guru Granth Sahib: it is ceremonially installed, opened, recited, sung, and approached for a hukam, or divine directive. Through this daily relationship, the community encounters the text not merely as a book, but as a living spiritual teacher.

Because it gathers the voices of the Sikh Gurus together with saints from multiple traditions, the Adi Granth also serves as a powerful symbol of unity. It offers a shared spiritual focus for the Sikh community while affirming the universality of the Divine message. Its hymns invite the listener beyond narrow identities toward a direct, inward experience of God, grounded in ethical living and compassionate service. In this way, the Adi Granth stands at the heart of Sikh life, shaping belief, devotion, and communal practice through its enduring, authoritative presence.