The Spirits' Book
Book Two - The Spirit World
Chapter VI - Spirit Life
Spirit Sympathy and Antipathy – Soul Mates
293. Do enemies on Earth hold fast to their resentment of one another in the spirit world?
“No, because they see that it was stupid and meaningless. Only imperfect spirits maintain their hostility until they are purified. When spirits are dematerialized they forget the anger they felt as incarnate people as it was merely due to a material interest. As the subject of their disagreement no longer exists, they may happily see each other again, provided there is no hostility remaining between them.”
Two schoolboys often realize the silliness of their quarrels when they grow up, and no longer hold a grudge.