Unless you understand the history of a situation, you can't ever hope to solve problems.
Many of us in the West have come to feel that the development of technology in the military and economic fields has produced a single world in which the central problems, both military and economic, are going to require co-operation rather than continued confrontation and competition.
If you’re in a hole, stop digging.
War inside countries is all too common.
First law on holes - when you're in one, stop digging!
I've got a happy marriage, which is the most important singular thing.