Sometimes I give charity with the intention it is on behalf of my mother, so if I told her about it, would it be considered as showing off?
Concealing the identity of the one giving charity
Is it permissible for me to lie to the one I give charity to, by saying this charity is not from me, but from someone else?
Donating body parts
Is [this] permissible – [that] someone who says he wants to donate a body part, and in return receive a monetary payment – is this permissible [to do]?