What secures them [Blessings] is gratitude [shukr], based on three supports: inward recognition of the blessing; outward mention and thanks for it; and its use in a way that pleases the One to whom it truly belongs and who truly bestows it.
—Ibn al-Qayyim [d. 751H/1350CE]
(Read on pg 1, Ibn Qayyim al-Jawziyya, The Invocation of God. The Islamic Texts Society. UK:2000 .)