The implicit answer here is "no." This rhetorical question can be written as a statement. Alternate translation: "You have not heard the secret knowledge of God." (See: [[rc://en/ta/man/translate/figs-rquestion]])
This rhetorical question emphasizes that he cannot limit wisdom to himself. This can be written as a statement. Alternate translation: "You cannot limit wisdom to yourself." or "You are not the only wise person." (See: [[rc://en/ta/man/translate/figs-rquestion]])