Having obtained the mercy of his spiritual master, who reveals to the disciple the injunctions of Vedic scriptures, the devotee should worship the Supreme Personality of Godhead in the particular personal form of the Lord the devotee finds most attractive.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
लब्धानुग्रह आचार्यात्तेन सन्दर्शितागमः । महापुरुषमभ्यर्चेन्मूर्त्याभिमतयाऽऽत्मनः
labdhānugraha ācāryāttena sandarśitāgamaḥ | mahāpuruṣamabhyarcenmūrtyābhimatayā''tmanaḥ
SB 11.3.48