Sri Rupa Goswami advises us how to think of Krishna (Bhakti Rasāmṛta Sindhu 1.2.294)
kṛṣṇaṁ smaran janaṁ cāsya preṣṭhaṁ nija-samīhitam
tat-tat-kathā-rataś cāsau kuryād vāsaṁ vraje sadā
Kṛṣṇaṁ smaran is the first injunction: “think of Krishna.” Next, janam cāsya: “In thinking of Krishna, also think of his people.”
It’s phrased this way because kṛṣṇa-smarana is ubiquitous to all bhakti-sādhana (viz. “smartavya-satatam-viṣṇoḥ…”) but the hallmark of rāgānugā-sādhana is that we don’t just think of
