BhaktiThe effect of bhakti—a kind of emotional fervor that infused the devotional literature of India for the better part of a millennium—began to make itself felt as early as the ninth or 10th centuries. Bhakti, however, achieved its most influential expression in the work of the probably illiterate Hindi poet Kabir (1440–1518). Kabir hoped to see Hinduism and Islam amalgamate into a single monotheistic faith. To that end he dictated a number of brief, inspirational maxims and verses to a disciple named Bhagoji. These maxims teach that God is available to everyone and that through faith everyone can reach salvation and direct union with the divine. Some of Kabir's inspirational verses found their way directly into the hymns of Nānak (1469–ca. 1539), the founder of the Sikh religion. Nānak translated some verses of Kabir and imitated others in the Punjabi language. Nānak was the first guru of Sikhism. One of his successors, Arjun, the fifth guru, collected Nānak's verses along with others into the sacred book of that religion, the Granth. As a result, the fervor of bhakti, with its mixture of both Islamic and Hindu elements, infused the literary traditions of the Sikhs...