Chapter 9, Verse 24
Part of 9: Rāja Vidyā Yog — राजविद्याराजगुह्ययोगअहं हि सर्वयज्ञानां भोक्ता च प्रभुरेव च। न तु मामभिजानन्ति तत्त्वेनातश्च्यवन्ति ते॥
ahaṁ hi sarva-yajñānāṁ bhoktā cha prabhureva cha na tu mām abhijānanti tattvenātaśh chyavanti te
For I alone am the enjoyer and Lord of all sacrifices; but they do not know Me in reality, and thus they return to this mortal world.
They do not know that I, the Supreme Self, am the enjoyer of all sacrifices enjoined in the Vedas and the Smritis (the codes of right conduct) and the Lord of all sacrifices. As I am the inner Ruler of this world I am the Lord of all sacrifices (Vide chapter VIII. 4 -- Adhiyajnohamevatra I am the presiding deity of the sacrifice). I am at the beginning and at the end of every sacrifice and yet these people worship other gods. Therefore they worship in ignorance. As they worhsip other gods without recognising Me, and as they have not consecrated their actions to Me, they return to this mortal world after their merits are exhausted from the plane to which they had attained as the result of their sacrifices. Those who are devoted to other gods and who worship Me in ignorance (Avidhipurvakam) also get the fruit of sacrifice. How (Cf. V.29XV.9)