It was one of those perfect English autumnal days which occur more frequently in memory than in life.
There are few couples as unhappy as those who are too proud to admit their unhappiness.
Perfect love may cast our fear, but fear is remarkably potent in casting out love.
In 1930s mysteries, all sorts of motives were credible which aren't credible today, especially motives of preventing guilty sexual secrets from coming out. Nowadays, people sell their guilty sexual secrets.
Wars may be fought by decent men, but they're not won by them.
Perhaps it's only when people are dead that we can safely show how much we cared about them. We know that it's too late then for them to do anything about it.