Commentators are unanimous that the people's unbelief was the reason Jesus performed few miracles in his hometown. This was not a limitation of His divine power. Rather, scholars like Calvin and Barnes explain that unbelief acts as a barrier, 'closing the door' to God's work. Their hearts were so prejudiced that miracles would have been pointless for proving His identity. This serves as a powerful reminder that a lack of faith can prevent us from experiencing God's mighty works in our own lives.