Emphasizing the importance of a farbrengen, the Tzemach Tzedek* said when one hears a story about his Rebbe’s deed, he becomes connected to the Rebbe’s faculty of action. When one listens to a niggun of his Rebbe, he becomes connected to his Rebbe’s power of speech. When one reviews his Rebbe’s teachings, he becomes connected to his Rebbe’s power of thought.
==== The Tzemach Tzedek By Sholom Avtzon P458.
* 13th of Nisan 5,626 – 1826, Yom Hilula of the Tzemach Tzedek, 3rd Chabad Rebbe, Admur Menachem Mendel. Our Rebbe was named after him.
Editor’s note: From the above you see the importance of saying a story of a tzaddik by the Shabbos table. Not only does it motivate the listeners to do more good, but it also connects them to the tzaddik