It is narrated from Sayyiduna Abdullah bin Amr (may Allah be pleased with them both) that the Prophet (peace and blessings be upon him) looked at the Ka'bah and said: "Allah has indeed ennobled you, honoured you and granted you greatness, yet the sanctity of the believer is greater than yours."
Hadith Referenceالمعجم الأوسط / باب الميم / 5719
Hadith Takhrij«قال الهيثمي: فيه عمرو بن شعيب عن أبيه عن جده «مجمع الزوائد ومنبع الفوائد، ج 1، ص 81»»