This phrase is a reminder to not be too serious or stuck in your ways. It encourages people to be open to new ideas and experiences, and to not be afraid to take risks and have fun. It's a reminder to stay positive and enjoy life!
From Wikipedia
Mud Mirror Art is a form of home decoration art called (Lippan/Laipo) using small cut pieces of mirror and mud making various designs on the walls, paint colors are also sometimes used. The art is practiced mainly in Kutch and Sindh.