The best relationship is one in which partners not only actively repair regrettable incidents — but do so quickly. (psychologytoday.com)
One of the most regrettable incidents of the entire war was the unprovoked slaughter of a large number of pacifistic Moravian Indians in Ohio. (religion-online.org)
In Central Park East and Its Graduates, David Bensman describes similar early mistakes and regrettable incidents in the famous small school Central Park East. (educationnext.org)