Even FUJIWARA no Michinaga, who held power at that time, valued his calligraphy, and when Yukinari borrowed "Ojoyoshu" from Michinaga, he said, 'I give you this original book. I would like to have your manuscript of this book instead.'
当時の実力者藤原道長もその書道を重んじ、行成が『往生要集』を道長から借りた際には「原本は差し上げるので、あなたが写本したものを戴けないか」と言われたという。