(79) باب فِي فَضْلِ الْحَجِّ وَالْعُمْرَةِ وَيَوْمِ عَرَفَةَ
Abu Huraira (Allah be pleased with him) reported Allah's Messenger (ﷺ) as saying. He who came to this House (Ka'ba) (with the intention of performing Pilgrimage), and neither spoke indecently nor did he act wickedly. would return (free from sin) as on the (very first day) his mother bore him.
Reference: Sahih Muslim 1350 a
In-book reference: Book 15, Hadith 495
USC-MSA web (English) reference(deprecated numbering scheme): Book 7, Hadith 3129