The Rig Veda is the oldest of the four Vedas and one of the oldest religious texts still in use. It is a collection of more than a thousand hymns, grouped into ten books, that priestly families composed and memorized to be chanted at the fire sacrifice. Griffith's English version renders the Sanskrit verse line by line and adds a running commentary explaining names, rites, and obscure passages.
Most of the hymns are addressed to particular gods, and to read them is to meet a world where the divine and the natural overlap. Agni is the sacred fire, kindled on the altar, who serves as the chosen priest and the messenger between people and gods. Indra is the storm god and champion who slays the dragon and releases the waters. Varuna watches over the sky and the order of things. Soma is at once a plant, the juice pressed from it, and the god who animates that juice. Ushas, the dawn, returns each morning like a bright woman uncovering the light.
Holding this crowded pantheon together is the idea of rta, an order that is at once cosmic, ritual, and moral. The sun keeps its path, the year turns, and the sacrifice works because they all follow this Law. The gods are repeatedly said to act by Law and to uphold it, so that right ritual and right conduct are felt as part of the same fabric that keeps nature regular. Varuna is its chief guardian, the lord who notices when an oath is broken.
The hymns are not only praise. Many are practical, asking for cattle, rain, sons, long life, and victory in battle, and the sacrifice is the engine that secures these gifts. Fire carries the offering up; the gods, pleased, send wealth and protection down. The figure of Agni as the busy go-between, priest and herald at once, captures this exchange that runs through the whole book.
In the tenth and latest book the tone shifts toward reflection. The hymn to Purusha imagines the entire world, including the social orders of human society, formed from the dismembering of one cosmic person. The famous creation hymn, the Nasadiya, begins before there was either being or non-being and traces the first stirring of desire, then turns skeptical: the gods came after creation, so who can truly say where it came from? In these closing hymns the Rig Veda moves from confident invocation toward the open questions that later Indian thought would take up.