Sunan at-Tirmithiy كتاب الدعوات باب [ اللهم إنى أعوذ بك من قلب لا يخشع ]
The Messenger of God, peace and blessings of God be upon him, used to say, "O God, I seek refuge in You from a heart that is not humble1, a supplication that is not answered, a self that is insatiable, knowledge that is of no benefit. I seek refuge in You from these four." Footnotes: 1- A heart that is humble and submissive when God is remembered. Click on ḥadīth to read more