How can I read the nahj ul balagah in such a way that I properly understand what it means? I often read what's written and then completely forget about it.

by

1- Read a commentary (like the one by Yasin T al-Jibouri and summarize the main ideas in your own words and write them.

2- Take a class on Nahjul Balagha like the ones offered at our seminary:
Hujjahseminary.com