Mishkat al-Masabih 4610
Abu Qatada reported God's messenger as saying:
"He who sees me has seen what is genuine.” 

(Bukhari and Muslim.)
وَعَنْ أَبِي قَتَادَةَ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «مَنْ رَآنِي فَقَدْ رَأَى الْحَقَّ»