Summary
This quote emphasizes the notion that youth is a temporary phase in life, and that aging is inevitable. One's age may define a specific period of time, but one's level of maturity is a personal choice and can persist throughout life. It suggests that while growing old is inevitable, one has the choice to continue behaving in an immature manner regardless of age. It serves as a reminder to focus on personal growth and developing maturity, rather than clinging to youthful immaturity.