Bhagwad Gita
Chapter 4, Verse 32
एवं बहुविधा यज्ञा वितता ब्रह्मणो मुखे।
कर्मजान्विद्धि तान्सर्वानेवं ज्ञात्वा विमोक्ष्यसे।।4.32।।
All these different types of sacrifice are approved by the Vedas, and all of them are born of different types of work. Knowing them as such, you will become liberated.