«أَغُوصُ فِي لُجَّةِ الْبَيَانِ»
I dive into the deep sea of expression.
In aghūṣu fī lujjat al-bayān, eloquence becomes a deep sea and the speaker a diver. The first-person imperfect presents verbal exploration as his own skill.
In the Alexandrian hearing this is also an occupational defence: he earns through words. Analyse both the literary image and the practical purpose of invoking it before a judge.