Allah is sufficient for us and the best of those on whom to depend.

Reference:Al-Bukhari, 5/172.Hisnul Muslim 128

حَسْبُـنا اللهُ وَنِعْـمَ الوَكـيل

Transliteration

Ḥasbunallāhu wa ni`mal-wakīl.

Translation

Allah is sufficient for us and the best of those on whom to depend.