Following the Lord's order, a devotee chants His holy name incessantly:

HARE KRISHNA

The chief object of constant remembrance for all living entitles is the holy name (etc.) of the Lord:

[Lord Caitanya to Ramananda Raya]: Sri Caitanya Mahaprabhu asked, "What should all living entities constantly remember?" Ramananda Raya replied, "The chief object of remembrance is always the holy name of the Lord, His qualities and pastimes."

– Sri Caitanya caritamrta Madhya lila 8.252

incessantly: