When the householder Dasama asks if there is a single thing that guarantees liberation, the venerable Ānanda reveals eleven doorways to the deathless. By entering the four jhānas, four divine abidings, or formless attainments, and discerning that each state is conditioned, intentionally constructed, and impermanent, a diligent practitioner attains to Nibbāna through the wearing away of the taints.