How could a person know the content of all these surahs...

How could a person know the content of all these surahs while it took him twelve years to memorise surah Baqarah and he even sacrificed an animal for such an accomplishment[^12]? The commands of Shak in prayer [doubt] are problematic for every Muslim. Few Muslims are unaware of such cases. Now let us see how much the caliph knew regarding this issue. Ibn Abbas says: once Omar asked me: what should a Muslim do if he doubts the number of rakaahs [a unit of prayer or salat].

He answered the caliph: I, too, am unaware. Abdu Rahman Ibn Auf arrived and narrated a narration from the Prophet.[^13] Perhaps Ibn Abbas's reply was not serious in this regard, but even if it were serious, the very fact…