 It is even reported that Jonathan all but converted Ben Azzai, a "fellow student" of Akiva, to Ishmael's system, and made him deeply regret his failure to study it more closely.Ben 'Azzai then exclaimed, "Woe is me that I have not waited on Ishmael".Nevertheless, in later years, probably after Ishmael's death, both Jonathan and Josiah adopted some of Akiva's principles.