Unhappiness, I saw then, comes to each of us because we think ourselves at the center of the world, because we have the miserable conviction the we alone suffer to the point of unbearable intensity. Unhappiness is always to feel oneself imprisoned in one's own skin, in one's own brain.
Jacques Lusseyran (2016). “Against the Pollution of the I: On the Gifts of Blindness, the Power of Poetry, and the Urgency of Awareness”, p.143, New World Library