" Surely, there was never a fairer test of national quality than this. In the light of these circumstances, the thoughtful observer of Russian-American relations will find no cause for complaint in the Kremlin's challenge to American society. He will rather experience a certain gratitude to a Providence which, by providing the American people with this implacable challenge, has made their entire security as a nation dependent on their pulling themselves together and accepting the responsibilities of moral and political leadership that history plainly intended them to bear. "

― George Kennan , Works of George Kennan