Within Sikh spirituality, the Guru Granth Sahib stands as the eternal, living Guru and the supreme religious authority. The line of human Gurus that began with Guru Nanak culminated when Guru Gobind Singh invested the status of Guru in this scripture, thereby ending the succession of human Gurus. From that moment, the community has related to the Guru Granth Sahib not merely as a sacred book, but as the continuing presence and voice of the Guru. It is treated as a living spiritual guide, approached with reverence, bowed to, and placed at the center of Sikh communal life. All major matters of belief, ethics, and practice are expected to harmonize with its teachings, which function as the final arbiter in questions of faith.

The content of the Guru Granth Sahib consists of hymns and teachings regarded as divine revelation, the Word (Gurbani or Shabad) transmitted through Guru Nanak, the subsequent Sikh Gurus, and selected Hindu and Muslim saints. This inclusion of voices from diverse religious and social backgrounds reflects a vision of universal spirituality and the unity of humanity under the One God. The scripture thus embodies Guru Nanak’s emphasis on the oneness of the Divine and the rejection of barriers such as caste or sectarian identity. Its hymns are not only doctrinal statements but living songs of devotion, meant to be sung, heard, and internalized as a means of experiencing the Divine.

In daily and communal practice, the Guru Granth Sahib forms the liturgical and devotional heart of Sikh life. All Sikh worship, from the singing of hymns (kirtan) to formal prayers and ceremonies, is organized around its recitation and exposition. In every gurdwara it is placed on a raised platform, signifying its centrality and authority, and is treated with the honor once given to the human Gurus. Through its guidance, Sikhs are directed toward remembrance of the One God, truthful living, selfless service, and the rejection of superstition, ritualism, and inequality. In this way, the Guru Granth Sahib functions as the enduring spiritual compass that shapes both personal conduct and the collective life of the Sikh community, embodying the path first revealed through Guru Nanak.