Though Sarasvati initially emerged as a river goddess in the Vedic scriptures, in later Hinduism of the Puranas, she was rarely associated with the river. Instead she emerged as an independent goddess of knowledge, learning, wisdom, music and the arts. The evolution of the river goddess into the goddess of knowledge started with later Brahmanas, which identified her as "Vāgdevī", the goddess of speech, perhaps due to the centrality of speech in the Vedic cult and the development of the cult on the banks of the river. It is also possible to postulate two originally independent goddesses that were fused into one in later Vedic times. Aurobindo has proposed, on the other hand, that "the symbolism of the Veda betrays itself to the greatest clearness in the figure of the goddess Sarasvati ... She is, plainly and clearly, the goddess of the World, the goddess of a divine inspiration ...".