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.

"I don't want to just be an artist. I want to be a great artist."

"The key to innovation is diversity of thought."

采矿业必须带头展示采掘作业如何与环境管理共存。

你的月亮无法发光是因为我。

一个好的数学家总是准备好进行概括。