This document lists 20 life lessons learned in 2020. Some of the key lessons include maintaining physical and mental health, avoiding risky behavior, pursuing financial freedom and independence, adapting to changes proactively, living frugally, making time for learning, working from home, experimenting with new hobbies like reading, changing bad habits, connecting with friends and family virtually, gaining knowledge through online resources, realizing the limitations of astrology, appreciating family, recognizing humans as social creatures, practicing multitasking and being productive, living sustainably, maintaining hygiene, and viewing challenges as opportunities.