human
One further cardinal trait, which is in a sense a result of the preceding traits, has to be named--the ability to discern inconspicuous analogies. It was in part this ability that gave Spencer his power of handling so many different orders of facts.
gpt
The habit of ignoring the variable outer components and relations, and looking for the invariable inner components and relations, facilitates the perception of likeness between things which externally are quite unlike--perhaps so utterly unlike that, by an unanalytical intelligence, they cannot be conceived to have any resemblance whatever.