pickstill waters run deep . still waters run deep Quiet people probably are profound thinkers. — A proverb. He doesn't say much, but he sure looks smart. Well, still waters run deep, isn't that true? Categories: add yours proverb Source: A Dictionary of American Idioms 'still waters run deep' on video MALEVOLENCE - Still Waters Run Deep (OFFICIAL MUSIC VIDEO) The Four Tops - Still Water (Love) Still Waters (Run Deep) Still Waters Run Deep sort: relevance, mode: exact match, q: "still waters run deep", maxResults: 4, videoEmbeddable: true, videoSyndicated: true, safeSearch: strict, type: video Subscribe to: American IdiomsEnglish Slang Leave my opinion