「凡愛自己弟兄的,就是存留在光中。」
聖若望說:「凡愛自己弟兄的,就是存留在光中。」因此,不愛弟兄的人,不愛姊妹的人,都不與天主同在。 «We know that we are with God – says St. John – because we love our brothers»: therefore whoever does not love his brothers, whoever does not love his sisters is not with God (AP 1958/2, pp. 141-142).