the condition of the heart in worship

قُلْ أَنفِقُوا۟ طَوْعًا أَوْ كَرْهًا لَّن يُتَقَبَّلَ مِنكُمْ ۖ إِنَّكُمْ كُنتُمْ قَوْمًا فَـٰسِقِينَ

Say, "Spend willingly or unwillingly; never will it be accepted from you. Indeed, you have been a defiantly disobedient people."