One difficulty is that almost all of what is called behavioral science continues to trace behavior to states of mind, feelings, traits of character, human nature, and so on.

难题之一在于所谓的行为科学几乎全都依然从心态、情感、性格特征、人性等方面去寻找行为的根源。

Not improbably, it was to this latter class of men that Mr. Dimmesdale, by many of his traits of character, naturally belonged.

并非不可能，丁梅斯代尔先生从他的许多性格特征来看，自然属于后一类人。