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。
There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false.
最伟大的真理常常是我们无法用语言表达的。
The biggest risk in banking is not lending to bad borrowers, but borrowing from flighty lenders.