法華義疏 5.300

5.300

據初成道時大機未熟，是故起謗。至靈山之會改於小執則能信受，以根性不定故稱或也。

Based on the time when he first attained the Way, the great capacity had not yet matured, and therefore they gave rise to slander. When it came to the assembly on Vulture Peak, they changed their attachment to the lesser and were then able to faithfully accept it. Because their faculties and natures are not fixed, it says "or."