BG: 17.13
Shloka विधिहीनमसृष्टान्नं मन्त्रहीनमदक्षिणम् | श्रद्धाविरहितं यज्ञं तामसं परिचक्षते ||१७-१३|| Transliteration vidhihīnamasṛṣṭānnaṃ mantrahīnamadakṣiṇam . śraddhāvirahitaṃ yajñaṃ tāmasaṃ paricakṣate ||17-13|| Translations Dr.S.Sankaranarayan 17.13. That sacrifice they declare to be of the Tamas (Strand) which is devoid of scriptural injunction, in which there is no [recitation of] Vedic hymns, where no food and [sacrifical] fee are distributed, and which is totally devoid of faith. Shri Purohit Swami 17.13 Sacrifice that is contrary to scriptural command, that is unaccompanied by prayers or gifts of food or money, and is without faith - that is the product of Ignorance....