Hadith 741 - The Book On The Mosques And The Congregations - Sunan Ibn Majah - سنن ابن ماجه - Collection of Actions, Sayings and Teachings of Prophet Muhammad (صلى الله عليه و سلم) - Kutub as-Sittah

4. The Book On The Mosques And The Congregations - كتاب المساجد والجماعات

2) Chapter: Construction Of Lofty Mosque

It was narrated that 'Umar bin Khattab said: The Messenger of Allah said: "No people's deeds ever became evil deeds but they started to adorn their places of worship."

Reference: 741
English reference: Vol. 1, Book 4, Hadith 741
In-book reference: Book 4, Hadith 7
Grade: Daif (Darussalam)
Read this hadith from Darussalam Collection

2) باب تَشْيِيدِ الْمَسَاجِدِ

حَدَّثَنَا جُبَارَةُ بْنُ الْمُغَلِّسِ، حَدَّثَنَا عَبْدُ الْكَرِيمِ بْنُ عَبْدِ الرَّحْمَنِ، عَنْ أَبِي إِسْحَاقَ، عَنْ عَمْرِو بْنِ مَيْمُونٍ، عَنْ عُمَرَ بْنِ الْخَطَّابِ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ ‏‏ ‏.‏ "‏ مَا سَاءَ عَمَلُ قَوْمٍ قَطُّ إِلاَّ زَخْرَفُوا مَسَاجِدَهُمْ ‏"