I found that our Soviet espionage efforts had virtually never, or had very seldom, produced any worthwhile political or economic intelligence on the Soviet Union.
Learn everything you can, anytime you can, from anyone you can - there will always come a time when you will be grateful you did.
This life of ours, this is a wonderful life. If you can get through life like this and get away with it, hey that's great. But it's very predictable. There's so many ways you can screw it up.