The sick Muslim should not look at his worship as something meager or insignificant; but he should worship his Lord according to his ability and should learn the rulings and the implementation to see the mercy of his Lord upon him regarding his worship and to know that his Lord does not burden His slave beyond his scope. It should be noted that this book is not just for the sick individual: because no one knows when Allah will test them, and the should have knowledge of the affairs concerning the sick, because it may not be you who is tested; rather it could be you father, mother, brother or sister, or those who are closest and most dear to you who do not have fiqh [understanding] of these affairs. And maybe you are the one who must seek out this important information in regards to their purification, prayer and the fast