Surah Al-Anfal (The Spoils of War), Verse 46

وَاَطِیْعُوا اللّٰهَ وَرَسُوْلَهٗ وَلَا تَنَازَعُوْا فَتَفْشَلُوْا وَتَذْهَبَ رِیْحُكُمْ وَاصْبِرُوْا اِنَّ اللّٰهَ مَعَ الصّٰبِرِیْنَ ۟

Wa atee'ul laaha wa Rasoolahoo wa laa tanaaza'oo fatafshaloo wa tazhaba reehukum wasbiroo; innal laaha ma'as saabireen

“And obey Allah and His Messenger; and fall into no disputes, lest ye lose heart and your power depart; and be patient and persevering: For Allah is with those who patiently persevere:”

Quran 8:46 (Yusuf Ali Translation)