You seem to have missed the introduction to that paragraph:
The Grecian poet, Theognis, who lived 550 B. C., clearly saw how important selection, if carefully applied, would be for the improvement of mankind. He saw, likewise, that wealth often checks the proper action of sexual selection. He thus writes ...He's describing who knew what about the effects of selection and when. As I told betty boop, I see a curious and observant mind of 131 years ago pondering the origin of mankind.
I also see typical cretinist quote-scholarship in your citation.
You don't need a brain in fact, you just need to read that he is quoting someone else - to support his viewpoint. So yes, he agrees with the statement and used it as part of his theory. Darwin's racism, eugenics and other despicable traits are to be found everywhere in his works.
It is absolutely ridiculous for evolutionists to constantly assert that people write stuff in their books which they do not mean. No one put a gun on their heads and force them to write it.