What does “kalifta bi-ʿilm al-Qurʾān” convey in Iyās’s statement?

The Prohibition on Relating Everything Heard: Verification, Selection and Audience

• Marked interest in Qurʾānic learning
• Aversion to Qurʾānic learning
• Weariness and withdrawal from Qurʾānic study
• An unconditional certification to narrate based on exegesis