Quest for knowledge and hope for peace are the correct answers.
Explanation:
In literature, theme is the main idea of a work. It can be mentioned or not (meaning that readers have to deduct it.) A universal theme usually appeals to how humans relates to other humans or to nature; a universal theme also expresses a desire or a situation which most people around the world can feel related to, such as peace and knowledge; so A and D are the correct answers.
Answer the brackets are correct because we already know about which guy we are talking about and the information in the brackets is additional and therefore not needed.
