Mother Teresa spent decades working among the sick and dying in Calcutta, and she came to believe that one form of suffering went largely unnoticed by modern medicine. "The greatest disease in the West today is not TB or leprosy; it is being unwanted, unloved, and uncared for," she said.

Mother Teresa's timeless quote reminds us that loneliness and feeling unwanted can hurt more deeply than physical illness. In A Simple Path, she explains that while medicine can…

Quote of the Day by Mother Teresa highlights that emotional isolation can be more painful than material poverty. Through her lifelong service to the poor, Mother Teresa stressed…