Quran 61:2 from Surah As-Saff on Divine Marvels.
يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُواْ لِمَ تَقُولُونَ مَا لَا تَفۡعَلُونَ
English translation: O (you) who believe Why (do) you say what not you do
Transliteration: yaayyuha alladhina amanu lima taquluna ma la taf 'aluna