Within a single scene, it seems to be unwise to have access to the inner reflections of more than one character. The reader generally needs a single character as the means of perception, as the character to whom the events are happening, as the character with whom he is to empathize in order to have the events of the writing happen to him.
A university is a reading and discussion club. If students knew how to use the library, they wouldn't need the rest of the buildings. The faculty's job, in great part, is to teach students how to use a library in a living way. All a student should really need is access to the library and a place to sleep.
Conviction is possible only in a world more primitive than ours can be perceived to be. A man can achieve a simply gnomic conviction only by ignoring the radical describers of his environment, or by hating them, as convinced men have hated, say, Darwin and Freud, as agents of some devil.