The Critics of the Cause of God (Baha'ism)

The Ancient Beauty in the Tablet of Habib from Maragha, which begins with "H B hear the call of God from the direction of the throne by the protective signs/verses (bi-ayati muhayyimin)..etc." they [i.e. Husayn 'Ali Nuri] enunciate the command (mi-farmayand) [i.e. state],

By God, the Truth, whomsoever criticizes it [i.e. Baha'i Faith], [which is] possessed of the manifest, the brilliant, the high and the perspicuous excellence, it behoveth him to ask his mother [yanbaghi lahu bi-an yas'al min ummihi] about his origins [or 'state', i.e.'hal', meaning he should inquire his mother about his legitimate conception – trans.], for he shall return to the nethermost hell [asfal al-jahim]"…

Ma'idih-i-Asmani, vol. 4, Chapter 11, page 355
http://reference.bahai.org/fa/t/b/MAS4/mas4-355.html