Carvaka philosophers argue that the only reality is the physical world, and that there is no such thing as a soul or a god.

Carvaka philosophers argue that all knowledge is derived from sense experience, and that there is no such thing as innate knowledge or a priori truths.

Carvaka philosophers reject the existence of a soul or a god, the reality of the physical world, the existence of innate knowledge, and the freedom of the will.

Carvaka philosophy is significant in the history of thought because it is one of the oldest materialistic philosophies in the world, one of the first philosophies to reject the existence of a soul or a god, and one of the first philosophies to argue that all knowledge is derived from sense experience.

Carvaka philosophy has been criticized for being too simplistic, too pessimistic, and too nihilistic.