Righteousness — Tzedek — צֶדֶק
What is hateful to you, do not do to your neighbor.
Resources
Middah Worksheet for Righteousness
Rabbi Stone's shiur on Tzedek (Righteousness)
Cheshbon ha-Nefesh (“Accounting of the Soul”) is a step by step approach to improving one's characher traits. It was written by Rabbi Menachem Mendel of Satanov. It was published in 1845 with the encouragement of Rabbi Yisroel Salanter. The book is available from Feldheim Publishers.
You will need Adobe® Reader® to view the files listed above. 
