Octavius Winslow emphasizes that Jesus is our peace, highlighting the importance of understanding that true peace comes not from our own efforts but from Christ himself. He explains that peace is a foundational grace of the Spirit, accessible to believers even in the absence of joy, and that it is through faith in Jesus and His atoning work that we can experience this peace. Winslow encourages believers to anchor their faith in Christ, who bore our sins and secured our reconciliation with God, ensuring that we can find peace even amidst life's storms. He reminds us that maintaining our peace requires vigilance against temptation and a close walk with Jesus, who is the source of our tranquility. Ultimately, the sermon reassures us that God's peace, which surpasses all understanding, is available to those who trust in Him.