According to one opinion in the Gemara (Bab. Shab. 56b), the reason David's kingdom split was because he sinned by believing Lashon HaRa'. According to another opinion, though, he never sinned at all. ...
Did Yishai sin? The gemarah (shabbat 55b) states pretty clearly that he did not; however, the midrash (Yalkut HaMakiri, cited here) seems to indicate that he separated from his wife for an extended ...
The Gemara (Talmud Bavli Shabbos 55b-56b) relates that several Biblical figures who, from the text itself, seemed to have sinned, in reality did not. These statements take the form of "כל האומר פלוני ...