Confucius belived that

Confucius believed that all people–and the society they live in—benefit from a lifetime of learning and a moral outlook.

- edit due to copy right-

i would say b. research typically uses a variety of sources

glass wants to live in a world of super heroes and villains. he have lived all his life trying to be responsible for the creating the origin story of a super hero; he schemed and caused many incidents (many of them fatal) hoping that someday someone with superpowers would show up and save the day.

he knew himself very much. he saw himself as a villain of a real-life super hero story. he was aware of his strengths (more than smart enough for being manipulative and scheming) and weaknesses (having fragile bones and having to rely on his mind to succeed).