• I complained to Waki' about the weakness of my memorisation, So he instructed me to abandon disobedience; He informed me that knowledge is a light, And the light of Allah is not given to a sinner.

    Al-Shafi‘i: I complained to Waki' about the weakness of my memorisation, 
So he instructed me to abandon disobedience;
He informed me that knowledge is a light,
And the light of Allah is not given to a sinner.