Libin's sermon focuses on Nehemiah's mission to rebuild Jerusalem's wall despite opposition. Nehemiah faced public ridicule from Sanballat and Tobiah, who questioned the Jews' ability to rebuild. Despite this, Nehemiah prayed and persevered, leading the people to build the wall to half its height. He also took precautions, stationing guards day and night. Internal discouragement arose, but Nehemiah reminded the people of their purpose and the Lord's protection. Libin emphasizes the importance of prayer and action, drawing parallels to modern-day challenges and encouraging perseverance in faith.