36. Forbidding mentioning Allah's name in Mosques
Surah No. . 2, Al Baqr, Ayat No. 114
وَمَنْ أَظْلَمُ مِمَّن مَّنَعَ مَسَاجِدَ اللّهِ أَن يُذْكَرَ فِيهَا اسْمُهُ وَسَعَى فِي خَرَابِهَا أُوْلَـئِكَ مَا كَانَ لَهُمْ أَن يَدْخُلُوهَا إِلاَّ خَآئِفِينَ لهُمْ فِي الدُّنْيَا خِزْيٌ وَلَهُمْ فِي الآخِرَةِ عَذَابٌ عَظِيمٌ
Translation :
Who is more unjust, who forbids Allah's name to be mentioned in the houses of worship (Mosques)? ―And work to ruin them? They should never be allowed to enter openly but enter with fear in the mosques. For them there is nothing but disgrace in this world and great torment in the Hereafter.