The Earth is not a rigid body, and its response to forces must be treated with the methods appropriate to a deformable medium.
地球并非刚体,其对力的响应必须用适用于可变形介质的方法来处理。
每一次失败都是通往成功的垫脚石,只要我们从中学习。
人依靠自己的力量人才能生存,不依靠自己的力量人就不能生存。
"Experience is simply the name we give our mistakes."