The Gemara in Nedarim (50a) lists six sources of wealth from which Rabbi Akiva became exceedingly wealthy, including half of Ben Kalba Savua's money (Kesuvos, 63a). Rashi on Bechoros (58a) maintains ...
The Gemara Shabbath (several pages, but look anywhere from 59a through at least 62a for several discussions) contains a great deal of discussion about wearing "Tachshitim" (ornaments/jewelry) on ...
The Gemara in Shabbos says that Bibi bar Abaye asks if one can violate a Rabbinic commandment (unsticking a loaf from an oven) to save oneself from being "chayav a chattas". The Gemara says that ...