Therefore, with one-pointed attention, one should constantly hear about, glorify, remember and worship the Personality of Godhead, who is the protector of the devotees.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
तस्मादेकेन मनसा भगवान् सात्वतां पतिः । श्रोतव्यः कीर्तितव्यश्च ध्येयः पूज्यश्च नित्यदा
tasmādekena manasā bhagavān sātvatāṃ patiḥ | śrotavyaḥ kīrtitavyaśca dhyeyaḥ pūjyaśca nityadā
SB 1.2.14