First, Poland has been again overrun by two of the great powers which held her in bondage for 150 years but were unable to quench the spirit of the Polish nation. The heroic defense of Warsaw shows that the soul of Poland is indestructible, and that she will rise again like a rock which may for a spell be submerged by a tidal wave but which remains a rock.
BBC broadcast (The Russian Enigma), London, October 1, 1939 (First Month of War (excerpt), transcript of the full text).