Let everyone sweep in front of his own door, and the whole world will be clean. Johann Wolfgang von Goethe
If a Cynic is an object of pity, he seems a mere beggar; all turn away, all are offended at him. Nor should be be slovenly of look, so as not to scare men from him in this way either; on the contrary, his very roughness should be clean and attractive. Epictetus
Tramp squares with rebellious treading! Up heads! As proud peaks be seen! In the second flood we are spreading Every city on earth will be clean. Vladimir Mayakovsky
If everyone swept in front of his house, the whole town would be clean. Polish Proverb
If everyone swept the pavement in front of his house, the whole street would be clean. Chinese Proverb
If every man would sweep before his own door, the city would soon be clean. Italian Proverb