Declaring his Ruling Correct with the Verse [Daniel 4] "BeGizeirat Irin Pitgama, UMa'amar Kadishin She'elta [The Angels/Torah Scholars Announce the law (like my ruling)]...": Pesachim 33a
Declaring his Ruling Correct, when he didn't have a proof, with the poetic language "I am not a sage, nor am I a seer; nor am I alone in this, but rather I learned and explained thus, and they decree in the Study Hall like me": Pesachim 105b
Oath/Exclamation "Ha'Elokim!": Shabbat 94b
Reish Lakish gave a huge eulogy for a deceased young scholar, and then Rav Nachman bar Yitzchak declined to eulogize, saying, "He was just a basket of books!": Megillah 28b
Rav Nachman bar Yitzchak quoting Rav Yosef's view on a law, and terming him "Sinai": Eruvin 30a
Rav Nachman bar Yitzchak was considered one of the "Pious of Bavel": Megillah 28b
Rav Nachman bar Yitzchak said, "I crossed the conventional wisdom [learning large amounts before reviewing what I had learned] and I succeeded in retaining it.": Eruvin 54b
Answering Mar Beraih DeRaveina's Question, "If Eliyahu comes and says [we can]": Shabbat 108a
How he began his teaching of the Purim Story: Megillah 11a
Used to carry the bundles needed for Shabbat himself, declaring that if he would do so for Rabbi Ami and Rabbi Asi, certainly he should do so for Shabbat: Shabbat 119a
Told his students to tell their families that he was coming to visit, on the day that they underwent blood-letting, if that was necessary to get them to serve wine: Shabbat 129a
[Physically] Supporting his uncle, Rav Acha Bar Yosef, while they were travelling: Shabbat 140a
His mother was told by a Chaldean astrologer that he would be a thief if he allowed his head to be uncovered, and so it happened once when his hat fell off: Shabbat 156b
