4.27 Further, apare, others; juhvati, offer, i.e. merge; sarvani, all; indriya-karmani, the activities of the organs; and also the prana-karmani, activities of the vital force- prana means the air in the body; they offer its activities such as contraction, expansion, etc; atma-samyama yoga-agnau, into the fire of the yoga of self-control-withdrawal (samyama) [Samyama consists of concentration, meditation, and Self-absorption. The idea conveyed by the verse is that by stopping all activities, they concentrate the mind on the Self.] into the Self (atma) is self-control (atma-samyama); that itself is the fire of yoga (yoga-agni); (they offer) into that fire; jnana-dipite, which has been lighted by Knowledge, made to blaze up by discriminating knowledge, as if lighted up by oil.