tair yah proktas tathasisah
viprah-the brahmanas; mantra-vidah-completely expert in chanting the Vedic hymns; yuktah-perfect mystic yogis; taih-by them; yah-whatsoever; proktah-was spoken; tatha-becomes just so; asisah-all blessings; tah-such words; nisphalah-useless, without fruit; bhavisyanti na-never will become; kadacit-at any time; api-indeed; sphutam-always factual, as it is.