śakyaḥ prāptum = would successfully execute; ayam = this; yajñaḥ = sacrifice; sarveṇa api = every; mahī-kṣitā = king; na = no; aparādhaḥ = risk of committing offenses; bhavet = there would be; kaṣṭaḥ = or calamity; yadi = if; asmin kratu-sattame = in the performance of this best of sacrifices.