Jesus asks these questions to make his disciples consider why they are afraid when he is with them. These questions can be written as statements. AT: "You should not be afraid. You need to have more faith." (See: [[rc://en/ta/man/translate/figs-rquestion]])
The disciples ask this question in amazement at what Jesus did. This question can be written as a statement. AT: "This man is not like ordinary men; even the wind and the sea obey him!" (See: [[rc://en/ta/man/translate/figs-rquestion]])