A child in the full health of his mind will put his hand flat on the summer turf, feel it, and give a little shiver of private glee at the elastic firmness of the globe.

• 一个心智健康的儿童也许会把他的手放在夏天的草地上，抚摸它，他决额坚实的大地也有点弹性，因而打心眼里感到欣喜。