English Translation
Narrated, 'Amr: Ibn 'Umar said, "By Allah, I have not put a brick over a brick (i.e. constructed a building) or planted any date-palm tree since the death of the Prophet." Sufyan (the sub narrator) said, "I told this narration (of Ibn 'Umar) to one of his (Ibn 'Umar's) relatives, and he said, 'By Allah, he did build (something.' "Sufyan added, "I said, 'He must have said (the above narration) before he built."
This hadith is from Sahih al-Bukhari, the most rigorously authenticated collection in Islamic scholarship. No editorial opinion is added.