we know that surgeons has to wash their hands and forearms before going to their patient. What if a 'congregation for Salaat' is leaving our homes in groups and educating others about the Qur'an?! What if in 200 years from now, a congregation for Salaat, be an International conference regarding the implementation of the Qur'anic message in international relationships?! Whenever we live in a Truly Islamic State and congregate for Salaat, following Divine Laws closely, we need to do the 'Wudhu'. We know that the Qur'an is for all time and all people, and i am sure that later generations will forget about Namaaz, but they won't forget Salaat or Wudhu, because they are preserved in the Qur'an.
5:6 O You who have chosen to be graced with belief! When you congregate for Salaat, wash your faces and your forearms, hands to the elbows. Lightly rub your heads and your feet to the ankles...