Mullá Yúsúf-i-Ardibílí, likewise, was subjected in those days to a persecution fiercer and more determined than the savage onslaught which the people of Yazd had directed against Mullá Ṣádiq. But for the intervention of Mírzá Ahmad and the assistance of his uncle, [Siyyid Husayn] he would have fallen a victim to the wrath of a ferocious enemy.
(Chapter 9, ‘The Dawn-Breakers’)