Complex sentence: I would say, that while it stands, it is the best symbol for the future generations, that would teach them how to respect the Motherland; demolished, it would be a symbol, a shameful symbol of intolerance and chauvinism !
Split into simpler sentences: I would say, that while it stands, it is the best symbol for the future generations, that would teach them how to respect the Motherland. Demolished, it would be a symbol, a shameful symbol of intolerance and chauvinism!