Dhikr is obedience to Allah.  Whoever obeys Allah has in fact remembered Him.  Whoever does not obey Him is not one who remembers Him, even if he says tasbeeh, and recites the Qur’an a lot.

—Sa’eed b. Jubayr

[Sharh as-Sunnah, al-Baghawee, vol. 5, p.10]

(Read on pg 43. Dr. Abu Ameenah Bilal Philips, A Commentary on Ibn Taymiyyah’s Essay on the Heart. Dalwah Corner Bookstore. Kuala Lampur: 2008.)