manah-prasadah saumyatvam
bhava-samsuddhir ity etat
manah-prasadah-satisfaction of the mind; saumyatvam-without duplicity towards others; maunam-gravity; atma-self; vinigrahah-control; bhava-nature; samsuddhih-purification; iti-thus; etat-that is; tapah-austerity; manasam-of the mind; ucyate-is said to be.