germans began rebuilding their churches, they erected a secular structure, the television tower at alexander plattsvirtually ever since, the authorities have been working to correct what they view as the tower's one major flaw, treating the glass sphere at the top with paints and chemicals of every kind. yet even today, when the sun strikes that sphere, that sphere that towers over all berlin, the light makes the sign of the cross. [ applause ] >> there in berlin, like the city itself, symbols of love, symbols of worship cannot be suppressed. as i looked out a moment ago from that embodiment of german unity, i noticed words crudely spray painted upon the wall, perhaps by a young berliner, quote, this wall will fall. beliefs become reality. [ applause ] yes, across europe, this wall will fall, for it cannot withstand faith, it cannot withstand the truth, the wall cannot withstand freedom. and i would like, before i close, to say one word. i have read and i have been questioned since i've been here about certain demonstrations against my coming. and i would like to say just one thing. and to those wh