Quran 3:159 from Surah Aal-i-Imraan on Divine Marvels.
فَبِمَا رَحۡمَةٖ مِّنَ ٱللَّهِ لِنتَ لَهُمۡۖ وَلَوۡ كُنتَ فَظًّا غَلِيظَ ٱلۡقَلۡبِ لَٱنفَضُّواْ مِنۡ حَوۡلِكَۖ فَٱعۡفُ عَنۡهُمۡ وَٱسۡتَغۡفِرۡ لَهُمۡ وَشَاوِرۡهُمۡ فِي ٱلۡأَمۡرِۖ فَإِذَا عَزَمۡتَ فَتَوَكَّلۡ عَلَى ٱللَّهِۚ إِنَّ ٱللَّهَ يُحِبُّ ٱلۡمُتَوَكِّلِينَ
English translation: So because (of) Mercy from Allah you dealt gently with them And if you had been rude (and) harsh (at) [the] heart surely they (would have) dispersed from around you Then pardon [from] them and ask forgiveness for them and consult them in the matter Then when you have decided then put trust on Allah Indeed Allah loves the ones who put trust (in Him)
Transliteration: fabima rahmatin mina al-lahi linta lahum walaw kunta fazzan ghaliza al-qalbi la-infaddu min hawlika fa-u'fu anhum wa-is'taghfir lahum washawir'hum fi al-amri fa-idha azamta fatawakkal ala al-lahi inna al-laha yuhibbu al-mutawakilina