The demand that Islam makes of women is to not attract attention to yourself, and if you are in a secular society, that attire does exactly that, and it is a political symbol, no longer religious.
AYAAN HIRSI ALI
Islam was like a mental cage. At first, when you open the door, the caged bird stays inside: it is frightened. It has internalized its imprisonment. It takes time for bird to escape, even after someone has opened the doors to its cage.
