Here is the third Mishna of Pirke Avos. Enjoy, and feel free to comment. Follow us at @PirkeAvos to get updates on new posted audio and articles.
(about 23 minutes)
Here is a downloadable copy of the class on Pirke Avos, Chapter 1, Mishna 3
Here is a written spin on Pirke Avos Perek 1, Mishna 3.