Say: ‘Indeed I have been commanded to worship God devoting [my] religion purely to Him.’He said:Sincerity (ikhlāṣ) is responding (ijāba), and whoever has no response has no sincerity. And he said:The astute (akyās) reflected upon sincerity and did not find anything except the following: that everything the servant does, whether done in secret or openly, is for God alone, Mighty and Majestic is He, and is mingled neither with desire nor with the self.His words: