Building mosques over the graves of Prophets and righteous people, or over places connected to their lives, is something which the perfect sharee’ah of Islam came to forbid and warn against, and curses those who do that, because it is one of the means that lead to shirk and exaggeration about the Prophets and the righteous people.... It is not permissible for graves to be left in mosques, whether that is the grave of a wali (“saint”) or of anyone else, because the Messenger (PBUH) forbade that and warned against that, and he cursed the Jews and Christians for doing that. It was narrated that he (PBUH) said: “May Allah curse the Jews and the Christians, for they took the graves of their Prophets as places of worship.” [Bukhaari, 1330, Muslim, 529] He (PBUH) also said: “When a righteous man died among them, they would build a place of worship over his grave and put those images in it. They are the most evil of mankind before Allaah.” (Al-Bukhaari, 4...
The greatest part of a writer's time is spent in reading, in order to write: a man will turn over half a library to make one book.“Somewhere, something incredible is waiting to be known.”