The ruling on praying in a usurped house, and wiping over usurped leather socks?

Question:
He says: Honorable Shaykh, may Allah grant you success, what is the stronger position regarding the issue of praying in a usurped house? And what is the ruling on wiping over usurped leather socks?

Answer:
It is not permissible to wipe over usurped leather socks, and it does not suffice; this does not suffice, because the sock is not yours, so you do not utilize the dispensation in it. Likewise, praying in a usurped house, because you benefit from it without the permission of its owner, and this is injustice, so the prayer in a usurped house is not valid.