The Prophet (peace and blessings be upon him) said:
"Whoever performs Hajj for the sake of Allah, and neither speaks obscenely nor commits sin, returns like the day his mother gave birth to him."
Hadith Referenceصحیح الجامع الصغیر / حرف الميم / 6197
Hadith Gradingالألبانی:صحيح
Hadith Takhrij[حم خ ن هـ] عن أبي هريرة. المشكاة ٢٥٠٧.