The answer to the priceless essay on filial piety is as follows: The essay tells a story about filial piety, telling us that filial piety is priceless. The protagonist of the story was a young man whose father had passed away. He was very filial to his mother. The young man visited his mother regularly and cooked and washed clothes for her to ensure her quality of life. His mother was very touched because she felt the young man's love and his concern for her. Through this story, it tells us that filial piety is priceless. We should cherish our parents and do our duty for them. We should visit our parents often to let them feel our love and provide them with necessary help. Filial piety is priceless. We should convey our filial piety to our parents and let them feel our love.