ENOfficial
He reported God’s messenger as saying, “If anyone performs the pilgrimage for God’s sake without talking immodestly or acting wickedly, he will return as on the day his mother bore him.” Bukhari and Muslim.
Source: sunnah.com
Other translations
Arabic
وَعَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسلم: «مِنْ حَجَّ فَلَمْ يَرْفُثْ وَلَمْ يَفْسُقْ رَجَعَ كَيَوْمِ وَلَدَتْهُ أمه»
sunnah.com