كَبُرَ مَقْتًا عِندَ ٱللَّهِ أَن تَقُولُوا۟ مَا لَا تَفْعَلُونَ
Kabura maqtan 'indal laahi an taqooloo maa laa taf'aloon
It is most hateful to God that you say things and then do not do them;
It is deeply hateful in the sight of God that you say what you do not do.