People can close their eyes in facing of greatness and beauty. They can turn a deaf ear to beautiful melody or confusing words, but they cannot get rid of the smell. Because the smell is the brother of breathing, it enters people\'s body with the breath, and if they want to survive, they can\'t resist it. The smell penetrates into the people, all the way to the heart, where it distinguishes love and contempt, disgust and interest, love and hate. Whoever masters the smell will master the hearts of people..syi