hrdi rundhyac chanair budhah
prana-incoming breath; apanau-outgoing breath; sannirundhyat-should stop; pura-kumbhaka-recakaih-by inhaling, exhaling and holding, which are technically known as puraka, kumbhaka and recaka; yavat-so long; manah-the mind; tyajet-should give up; kaman-all material desires; sva-one's own; nasa-agra-the tip of the nose; niriksanah-looking at; yatah yatah-from whatever and wherever; nihsarati-withdraws; manah-the mind; kama-hatam-being defeated by lusty desires; bhramat-wandering; tatah tatah-from here and there; upahrtya-after bringing it back; hrdi-within the core of the heart; rundhyat-should arrest (the mind); sanaih-gradually, by practice; budhah-a learned yogi.