"The way your heart sounds, makes all the difference, It's what decides if you'll endure the pain that we all feel, The way your heart beats makes all the difference, In learning to live”. So go the lyrics to the song ‘Learning to live’, by the legendary American progressive metal band, Dream Theater. Your heart, arguably, makes for one of the most, if not the most important organ of your body. This is nothing but the truth. Do yourself a favor by reading on to uncover famous quotations and sayings on the heart.