The ruling on the prayer of one who does not memorize anything but the tashahhud

Question : The questioner says: An elderly woman prays, praise be to Allah, but she says that she does not know how to recite anything but "All praise is due to Allah, and the prayers and the good things are only for Allah." So what is the ruling on this? Is her prayer valid or not?

Answer : Yes, if she does not know of the tashahhud anything but these four words—praise is due to Allah, and the prayers and the good things are only for Allah—then what she is unable to do is excused from her, by the saying of Allah the Exalted: and His saying: . We do not know of any substitute for the tashahhud. As for the Fatiha, if a person is unable to recite it and does not have it memorized, we tell him to recite from the rest of the Qur'an an amount equal to the Fatiha. If he does not know anything of the Qur'an, we tell him to say Subhan Allah, Alhamdulillah, Allahu Akbar, and to glorify Allah, in an amount equal to the Fatiha, and then to bow. As for the tashahhud, there is no substitute for it. So if she does not know anything but these four words, it is excused from her, by His saying: .