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I have uneasiness.
About sociological Herbert Spencer.
I was told that he had a thought called "a theory of social evolution" and "the survival of the fittest".
The professor did not feel good about Herbert Spencer.
And I do not read a book of his thing.
Therefore I am uneasy.
I understood your praise about Charles Darwin.
I want to read sometime.
In brief, it comes from a difference of the context of the study and lack of my study.
Because it is sensitive contents, I cannot enter it.

The sun appeared in the afternoon and housework advanced and was relieved today.