Have you ever realized what it feels like when a person cannot love enough those who love them in a touching way and whom they would want to love at all costs? I have experienced it – and I know no more ingenious torment. It was as if the very forces that shape the soul were tearing it apart and rending it, now appearing to be endowed with mysterious complexity. The true remedy, as you write yourself, is to turn to our Lord...
(Pierre Teilhard de Chardin SJ /1881–1955/, letter from the front, to his cousin, February 5, 1917;
quoted from the book Pierre Teilhard de Chardin, The Birth of Thought. Letters 1914–1919, 2021)