He is wisest who admits he knows nothing refers to the idea that

The Awareness of One's Own Intellectual Limitations

Socratic wisdom refers to Socrates' understanding of the limits of his knowledge in that he only knows that which he knows and makes no assumption of knowing anything more or less.

Explanation:

i cant if you dont give me the sentence or whatever.

man·u·script

/ˈmanyəˌskript/submit

noun

a book, document, or piece of music written by hand rather than typed or printed.

synonyms: document, text, script, paper, typescript

an author's text that has not yet been published.

thats all i can with. sorry. next time post the full question.

first paragraph (and busy all the night ,with a silence deep and white )