If a man worships Allah for one thousand years, and then he turns away from him for one moment, then what he missed in this moment is more than what he gained [in the one thousand years of worship].
—al-Junaid al-Baghdādī [d. 297 AH]
Hilyatu’l-Auliyaa by Abu-Nu’aym (10/278)
(Read on pg 31, Ibn al-Jawzi, Awakening From The Sleep of Heedlessness. Daar as-Sunnah Publishers. Birmingham: 2012.)