The Russian people, at least the ones I know, have pride in being a Russian. And, therefore, they want to be taken seriously in international affairs.
Covert action should not be confused with missionary work.
The conventional army loses if it does not win. The guerrilla wins if he does not lose.
Each success only buys an admission ticket to a more difficult problem.
The history of things that didn't happen has never been written.
The key decision for a statesman is whether to commit his nation or not. There is no middle course. Once a great nation commits itself, it must prevail. It will acquire no kudos for translating its inner doubts into hesitation.