You might say: “I am amazed at what you are able to do (or“ I am impressed by the Christian qualities you display ”) despite your health limitations.
حتى لو كنت تتمنى ان تفعل المزيد ،‏ تأكد ان يهوه يحبك ويقدّرك ،‏ وكذلك نحن » .‏