Only those who render unreserved, uninterrupted, favorable service unto the lotus feet of Lord Kṛṣṇa, who carries the wheel of the chariot in His hand, can know the creator of the universe in His full glory, power and transcendence.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
स वेद धातुः पदवीं परस्य दुरन्तवीर्यस्य रथाङ्गपाणेः । योऽमायया सन्ततयानुवृत्त्या भजेत तत्पादसरोजगन्धम्
sa veda dhātuḥ padavīṃ parasya durantavīryasya rathāṅgapāṇeḥ | yo'māyayā santatayānuvṛttyā bhajeta tatpādasarojagandham
SB 1.3.38