17.18 Yat, that; tapah, austerity; which is kriyate, undertaken; satkara-mana-pujartham, for earning a name, being honoured and worshipped-for earning a name, (i.e.) for being spoken of thus: 'This Brahmana, who is given to austerity, is pious'; for being honoured by (others') standing up respectfully, salutation, etc.; for being worshipped with washing of feet, adoration, feeding, etc.; for these-; ca eva, and also, (that) austerity which is performed dambhena, ostentatiously; tat, that; proktam, is spoken of; as rajasam, born of rajas; iha, belonging to this world; [i.e. yielding fruits only in this world.] calam, uncertain-its result being unpredictable; and adhruvam, transitory.