Every child should have mud pies, grasshoppers, water bugs, tadpoles, frogs, mud turtles, elderberries, wild strawberries, acorns, chestnuts, trees to climb, brooks to wade in, water lilies, woodchucks, bats, bees, butterflies, various animals to pet, hayfields, pine-cones, rocks to roll, sand, snakes, huckleberries and hornets; and any child who has been deprived of these has been deprived of the best part of education.

Difficult circumstances serve as a textbook of life for people.

释义：美丽的彩云容易消散，明亮的圆月难得圆满。

名称的意义就是它的指称对象。

看见先于言语。孩子在能说话之前就已经在看和辨认了。

最好的领导者是那些最热衷于让比自己更聪明的人围绕在身边的人。

事实上，今天的美国女性比历史上任何时候都拥有更多的权力和影响力。

数据库的未来在云端。