The sunnan prayers (sunnah ahead of and/or following fardh prayers and nawafil prayers) complement any shortcomings in our compulsory prayers. They knew about the coming in the Messenger Isa (AS) but when He came to them, they turned down him. Allah also knowledgeable them about Muhammad (Observed), the unlettered prophet https://hillaryz776vdc0.loginblogin.com/profile