Sayyiduna Jarir (may Allah be pleased with him) said: We were with the Messenger of Allah (peace and blessings be upon him) when the moon rose, and he (peace and blessings be upon him) said: "You will certainly see your Lord; you will have no difficulty in seeing Him, just as you see the moon."
Hadith Referenceالمعجم الكبير للطبراني / باب الجيم / 2224