What is surprising in Chapter 2 of A Wrinkle In Time?

Mrs. Who says that “he needs our help,” and when Meg asks who “he” is, Mrs. Who tells her it’s her father. She then sends them off with another quote (“Faith is the sister of justice), imploring them to eat up and get some rest. As they head back to the Murry house, Calvin comments that he’d never seen their house before but that “for the first time in my life I’m going home!”