A Sikh friend of mine was given some literature to read. While reading it, he raised this objection: “You say that Allah speaks to the prophets and through these special people He sent a universal way of life for all mankind. The question is, why is such an important way of life prescribed in this one particular language [Arabic], which is used only in one particular geographic location? Why could not that Almighty Allah create one universal language for all of mankind so that all people could benefit from that equally? Arabic Qur'an is certainly beneficial for the Arabs only.”

I am a South African who used to study in the United States. When I was studying, I borrowed $6000 US from another South African. We are both back in South Africa now, and it is more convenient for both of us if I pay him back I South African rands. Is this allowed?
 

When traveling via airplane which direction should one pray? Assuming that due to conditions on the plane the proper direction cannot be ascertained.

I forgot that I did not have wudoo' and I prayed. After I finished my prayer, I remembered that. Do I have to repeat my prayer?

I once read a hadith in an islamic forum but the reference for the hadith was not mentioned. The hadith sounds beautiful but i'll love to confirm it's authenticity before i quote it to anyone. The hadith goes like this, the Prophet(saw) said, " When one of youdoes her best to be a good wife, The reward equals someone who is fasting all day and praying all night." I'll really appreciate your help.

Does a person have to do istinjaa’ (wash the private parts with water) every time he wants to do wudoo’?

Is it allowed to open unnecessary talk after prayer's Iqamat before the Imam begins to pray?

Dear scholars, my question relates to changing name, I mean, is it necessary for newly converts to Islam to change their names or they can keep their Christian or any previous names?

I would like to know how the Prophet (blessings and peace of Allah be upon him) earned his living?