“In other words, each side could arm itself with whatever ideological slogans fulfilled its own domestic necessities, so long as it did not let them interfere with the need for cooperation against the Soviet danger. Ideology would be relegated to domestic management; it took a leave from foreign policy. The ideological armistice was, of course, valid only so long as objectives remained compatible.”

“In other words, each side could arm itself with whatever ideological slogans fulfilled its own domestic necessities, so long as it did not let them interfere with the need for cooperation against the Soviet danger. Ideology would be relegated to domestic management; it took a leave from foreign policy. The ideological armistice was, of course, valid only so long as objectives remained compatible.”

— Henry Kissinger