Question
Does reading Al-Fatiha only in the first two rak'ahs suffice for the pillar of recitation, or does it invalidate the prayer, knowing that I do this out of forgetfulness?
Answer
I say, and with God's success: The pillar of reading is only one verse, and reciting Al-Fatiha is obligatory. One verse from Al-Fatiha is sufficient to fulfill the pillar, but if you do not recite Al-Fatiha or a Surah by mistake, then you must perform the prostration of forgetfulness, and God knows best.