A mother's treasure is her daughter.

The line frames the mother–daughter bond in terms of value and inheritance, suggesting that a daughter is not merely a responsibility but a cherished “treasure” that enriches a mother’s life. It emphasizes emotional wealth—love, companionship, continuity of family, and the passing on of identity and care—over material measures of success. The aphoristic simplicity also makes it adaptable for greeting cards and inspirational compilations, where it functions as a concise affirmation of maternal pride and gratitude. Implicitly, it elevates everyday relational devotion as something precious and worth protecting.