Buddhism, a religion originating in what is now India, was transmitted to Korea via China in the late 4th century. Buddhism introduced major changes in Korean society. The complexity of the religious sutras sent to Korea required the aristocrats who adopted the religion to become literate and required the training and importation of literate scribes. Little evidence of religious art exists in Korea before the introduction of Buddhism. Subsequent to its introduction, the religion inspired the production of devotional art as well as the beginnings of sophisticated temple architecture.