质量不是一种行为,而是一种习惯。
当我们想到过去时,我们挑选的是美好的事物。我们想相信一切都是那样的。
在地球物理学中,我们处理的是物理原理在地球研究中的应用。
The best way to predict the future is to create it.
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.