One verse

Srimad Bhagavatam 4.8.57

4.8.57

स्वेच्छावतारचरितैरचिन्त्यनिजमायया । करिष्यत्युत्तमश्लोकस्तद् ध्यायेद्‌धृदयङ्गमम् ॥ ५७ ॥

svecchavatara-caritair acintya-nija-mayaya karisyaty uttamaslokas tad dhyayed dhrdayan-gamam

sva-iccha
by His own supreme will
avatara
incarnation
caritaih
activities
acintya
inconceivable
nija-mayaya
by His own potency
karisyati
performs
uttama-slokah
the Supreme Personality of Godhead
tat
that
dhyayet
one should meditate
hrdayam-gamam
very attractive.

My dear Dhruva, besides worshiping the Deity and chanting the mantra three times a day, you should meditate upon the transcendental activities of the Supreme Personality of Godhead in His different incarnations, as exhibited by His supreme will and personal potencies.