The people used a question to show how amazed they were. It can be expressed as an exclamation. Alternate translation: "so they said to each other, 'This is amazing! ... they obey him!'" (See: [[rc://en/ta/man/jit/figs-rquestion]])
The people used this exclamation to express their amazement at Jesus' teaching. It can also be expressed as a full sentence. Alternate translation: "He gives a new teaching, and he speaks with authority!" or "He teaches something new, and he has authority!" (See: [[rc://en/ta/man/jit/figs-exclamations]])