True confession: we’re absolutely hooked on Oprah’s new OWN show, “Oprah’s Lifeclass.”

The nightly show features the Big O looking back on the greatest lessons she’s learned from guests in the 25 years of her talk show. She also shares lessons from her greatest teachers, including Maya Angelou, Terry McMillan, and Iyanla Vanzant.

Here are 25 of the most memorable lessons we’ve learned so far.