Authors:

No existence can be validly fulfilled if it is limited to itself.

Martin Heidegger, Simone de Beauvoir, Jean-Paul Sartre (2016). “The Philosophical Library Existentialism Collection: Essays in Metaphysics, The Ethics of Ambiguity, and The Philosophy of Existentialism”, p.90, Open Road Media
No existence can be validly fulfilled if it is limited to itself.