In "Hanggang Sa Muli," Geo Ong reflects on the themes of farewell and hope. He shares personal stories about saying goodbye to people and experiences while emphasizing the importance of cherishing memories. Ong discusses how endings often pave the way for new beginnings, encouraging readers to embrace change with optimism. The blog ultimately conveys a message of resilience, reminding us that every goodbye is also an opportunity for future reunions and growth.