[6] A covering preventing from discerning guidance, as a result of their arrogance and persistence in sin.
[8] The "sickness" mentioned here includes doubt, hypocrisy, arrogance and disbelief.
[9] The hypocrites were considering the Companions of the Prophet (ﷺ) to be fools, whereas they themselves were fools.
[10] i.e., their leaders in evil and disbelief.