SN 47.20 Sedaka Sutta (2): The Beauty Queen
Suppose there is a great crowd gathered to see the most beautiful girl in the land and someone forces a man to carry around a bowl filled with oil between the crowd and the girl. A man with a sword follows behind and wherever any oil is spilled right there he will chop off the man’s head. The Buddha asks “would that man stop attending to that bowl of oil?” The monks answer “no”. This is how mindfulness directed to the body should be developed and cultivated.