心理学必须独立于哲学和生理学。
Psychology must be independent of philosophy and physiology.
真理是人类精神的自由创造,如果我们自己不产生它,它就永远不会存在。
The sociological imagination enables us to grasp history and biography and the relations between the two within society.
如果你不知道自己急切需要的是什么,那很可能就是睡觉。
In our industry, if you're not thinking three steps ahead, you're already behind.
There are two kinds of companies, those that work to try to charge more and those that work to charge less. We will be the second.
The coal industry must evolve or risk becoming obsolete. Adaptation is the key to survival.