I invite readers to submit other 19th century skills that we should cultivate assiduously among the rising generation, on the belief that doing so will lead to happier lives and a better world.

• 我欢迎读者指出我们应该在新一代中努力培养的其他19世纪技能，因为我们相信这样做会使生活更幸福，世界更美好。