I have given no definition of love. This is impossible, because there is no higher principle by which it could be defined. It is life itself in its actual unity. The forms and structures in which love embodies itself are the forms and structures in which love overcomes its self-destructive forces.
Paul Tillich, Erdmann Sturm (1998). “Sozialphilosophische und Ethische Schriften”, p.700, Walter de Gruyter
