Why can prayer become wholehearted precisely when a person feels there is no one else to rely on?

This source-based Hagut Yosef essay explores the question: Why can prayer become wholehearted precisely when a person feels there is no one else to rely on? 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.