Pirkei Avot is one of the earliest classic Jewish works of ethics. Pirkei Avot is a collection of inspirational teachings and life-lessons from the sages of the Mishnah (0-200 CE). It was written as part of the Mishna over 1,800 years ago.  There is a widespread custom to study Pirkei Avot on Shabbat afternoon of the weeks between Passover and Shavuot.

A fascinating discussion about Pirkei Avot. why it was written and some of its important lessons.