<span>Long after the world to which it belonged has vanished, a habit of thought will live on, indelibly imprinted upon a race or nation, like the footprint of some extinct beast or bird upon a piece of stone.
The word indelibly refers to the anything that is impossible to remove or forget. It is the mark that cannot be erased.</span>
The basketball team won every game so far
Based on the given passage above, the value that the ancient Greek culture value is knowledge. The correct answer would be the second option. Based on the passage, it is mentioned that "he taught himself speech, and wind-swift thought" and also he is training himself for a life that would involve interacting with others. So the best choice would be "knowledge".
An author might chose a first person narrator, because the first person narrator has a first person view of whatever the story is talking about. So a first person narrator makes an author more reliable and makes the story more personal.