Bhagavad Gita 4.33
श्रेयान्द्रव्यमाद्यज्ञज्ञयज्ञः परन्तप |
सर्वं कर्मखिलं पार्थ ज्ञाने परिसमाप्यते
Translation
O subduer of enemies, sacrifice performed in knowledge is superior to any mechanical material sacrifice. After all, O Parth, all sacrifices of work culminate in knowledge.