Either Rava or Raveina cited a popular declaration, "It is better to have one sharp pepper than a basketful of gourds": Megillah 7a
Raveina sewed his Tzitzit-Fringes into a corner of the garment before giving it to the launderer, out of concern that they might be cut accidentally, and replaced with improperly dyed strings: Menachot 41b
Blessings at the arranging of marriage for his son, and the break-up: Ketuvot 8a
Relating that his mother told him of his father's custom of waiting to eat New Produce until the night after the 17th of Nisan: Menachot 68b
Raveina attempting to prove, for the purpose of intellectual exercise, that a Sheretz is not impure: Eruvin 13b
Raveina refused to check a butcher's knife before the butcher used it to slaughter an animal for him, because he was going to purchase the meat; this was not considered "checking for his own use." Raveina told him to take the knife to Rava: Eruvin 63a
A daughter-in-law of the household of Bar Elyashiv sought to collect her ketubah, and her husband's children tricked her into wearing her finery so that it would count toward her ketubah, and indeed that's what Raveina ruled: Ketuvot 54a
Raveina addressing Rav Ashi as "Mar" [Master]: Berachot 24b
Rav Ashi was Raveina's teacher: Eruvin 63a; Nedarim 8b
Raveina suggesting a legal option for Rav Ashi when Rav Ashi had failed to create an Eruv Tavshilin meal for Rosh HaShanah: Beitzah 6a
Raveina would check knives which were to be used for Kosher slaughter in Bavel, reasoning that he was out of Rav Ashi's immediate jurisdiction. Rav Ashi said he should not do so, and Raveina countered that he had attained the status of Rav Ashi's colleague: Eruvin 63a
Raveina asking Rav Ashi whether he could purchase the ruins of a Synagogue for personal use: Megillah 26b
Raveina asking Rav Ashi whether he [Raveina] could act as a proxy to Rav Ashi to declare his wife's regret for a vow, to gain its annulment: Nedarim 8b
Rav Sama and Raveina were sitting before Rav Ashi, when Rav Sama pointed out a problem with Raveina's Tzitzit Strings to him. Raveina explained that Rav Sama was incorrect, and Rav Sama was embarrassed, leading Rav Ashi to reassure him, "Don't be upset; one of them [Israelis] is equal to two of us [Babylonians]!": Menachot 42a
Raveina admonished someone who was about to commit a rabbinically prohibited violation of Shabbat, in front of Rav Ashi. When the person continued, Raveina ex-communicated him. Rav Ashi reassured Raveina that this was appropriate, saying, "One should not give honor to his Rebbe if a disgrace to Gd's Name is going on": Eruvin 63a
Raveina asking Rav Ashi about spitting during prayer, after he saw what Rav Ashi did: Berachot 24b
Raveina's fear that he might gain stolen produce by accepting a gift from people who had taken over land by paying its royal tax, and Rav Ashi's reassurance: Bava Metzia 73b
Rav Ashi heard that Raveina fulfilled all rabbinic advice, and tested him by requesting a small loan just before Shabbat to see if he would require a legal document or not: Bava Metzia 75b
How Raveina collected the dowry for Rav Ashi's daughter from the property of Mar bar Rav Ashi and from the son of Rav Sama bar Rav Ashi: Ketuvot 69a
Anecdotes involving other Sages
Raveina terming Rava "Mar [Master]": Eruvin 68b
Raveina and Rav Ada bar Matna asking Rava a question, and entering a Synagogue for shelter so that they could study further: Megillah 28b
Raveina skipped the Exilarch's Class; Rafram interceded on Raveina's behalf: Yoma 78a
Not stopping during Hallel-Prayer to greet Rav Bar Sheva: Berachot 14a
Raveina answering a suggestion by Rabbah Tosfaah with "I didn't know that that was OK": Shabbat 95a [See Rashi "Lav"]
Raveina was travelling behind Mar bar Rav Ashi in the market and saw the strings of one corner of his Tzitzit garment tear, but he didn't tell him until they were indoors, to avoid disrespect for people in removing them: Menachot 37b-38a
Rav Sama and Raveina were sitting before Rav Ashi, when Rav Sama pointed out a problem with Raveina's Tzitzit Strings to him. Raveina explained that Rav Sama was incorrect, and Rav Sama was embarrassed, leading Rav Ashi to reassure him, "Don't be upset; one of them [Israelis] is equal to two of us [Babylonians]!": Menachot 42a
Showing Rav Acha Beraih DeRava that one doesn't need to use the most bitter vegetables for Bitter Herbs for Pesach: Pesachim 39a
Rav Acha bar Rav sent a question to Raveina: Kiddushin 13a
Rav Acha removed a teacher for hitting the children too much, but Raveina returned him to his post because no one else could teach as well as he could: Makkot 16b
Raveina permitted something, and then Rava bar Tachalifa and Rav Shemayah challenged it. They asked Rava, and he also ruled against Raveina: Eruvin 40a
Raveina asking Rav Acha breih deRava whether "the master" had taught anything regarding a certain law: Eruvin 93b
Raveina saying to Rav Pappa: You weren't there last night in Bei Chermach, when Rava posed very good questions between opposing sources, and resolved them: Zevachim 2b-3a
Raveina told Rava what Rav Ada bar Ahavah had reported in his name: Ketuvot 68b