286 In these pages of reflection on universal fraternity, I felt inspired particularly by Saint Francis of Assisi, but also by others of our brothers and sisters who are not Catholics: Martin Luther King, Desmond Tutu, Mahatma Gandhi and many more. Yet I would like to conclude by mentioning another person of deep faith who, drawing upon his intense experience of God, made a journey of transformation towards feeling a brother to all. I am speaking of Blessed Charles de Foucauld.
Source: Fratelli Tutti (Vatican.va)