Why does the mitzvah of tzedakah require us to open not only our hand but also our heart?

This source-based Hagut Yosef essay explores the question: Why does the mitzvah of tzedakah require us to open not only our hand but also our heart? The canonical Hebrew article develops the theme through Torah sources and reflection on human life. This localized discovery layer preserves the source’s meaning and identity and does not add new halakhic, historical, psychological, medical, legal, political, scientific, or empirical claims beyond the Hebrew source.