«سِرَاجُ الْغُرَبَاءِ وَتَاجُ الْأُدَبَاءِ»
The lamp of strangers and the crown of men of letters.
Sirāj is a lamp and tāj a crown. Applied to a person, they become metaphors for guidance, brilliance or distinction. Ghurabāʾ and udabāʾ also create balanced, rhyming prose endings.
The pupil's praise is extravagant, while the narrator has just witnessed a more complicated figure. Holding both perspectives together produces literary irony.