Chapter 15 · The Supreme Person · Krishna said
Bhagavad Gita 15.19 — Worship with whole heart
यो मामेवमसम्मूढो जानाति पुरुषोत्तमम्। स सर्वविद्भजति मां सर्वभावेन भारत ॥
yo māmevamasammūḍho jānāti puruṣottamam | sa sarvavidbhajati māṃ sarvabhāvena bhārata ||
Meaning
One who, free from delusion, knows Me as the Supreme Person knows everything, and worships Me with their whole being.