Charles Finney emphasizes the critical role of Christians as witnesses for God, explaining that their testimony is essential for establishing God's moral character and government in the world. He outlines the requirements for being a competent witness, including personal knowledge of God, consistency in testimony, and the responsibility that comes with being a representative of God's cause. Finney warns that the credibility of witnesses can be compromised by contradictions and inconsistencies, and he stresses the importance of living a life that reflects the truth of their testimony. Ultimately, he calls on believers to recognize the weight of their responsibility and the impact their witness has on the eternal destinies of others.

William MacDonald emphasizes the importance of having spiritual '20-20 vision' through seven correctional lenses that help us understand our purpose and responsibilities as Christians. He discusses the fear of the Lord, the love of Christ, the value of a soul, and the command to be ambassadors for Christ, urging believers to live with an awareness of hell and the judgment seat of Christ. MacDonald encourages the audience to reflect on their lives and actions in light of eternity, reminding them that only what is done for Christ will last. He concludes with a prayer for spiritual vision and dedication to God's work.

A.B. Simpson emphasizes the responsibility of believers to share the blessings they have received from God, highlighting that every special revelation or healing is a sacred trust meant to be communicated to others. He encourages Christians to act as trustees of God's grace, sharing their experiences of sanctification, healing, and hope in the Lord's coming with those around them. Simpson warns against the ingratitude of keeping these truths to oneself, urging believers to influence a wider circle with the blessings they have freely received.

Watchman Nee emphasizes that the Son of God was manifested to destroy the works of the devil, urging Christians to take responsibility in combating sin rather than resigning to fate. He warns against complacency in the face of biblical prophecies about apostasies, encouraging believers to actively rebuke and warn others. Nee asserts that Christians are obstacles to Satan's plans and must utilize the power of Christ to eradicate evil in their lives and communities. He reminds the congregation that any opposing force against God's will can be overcome, as it has already been defeated by the Lord.

D.L. Moody emphasizes the critical role of Christians as 'lower lights' in guiding others to safety, using the metaphor of a ship navigating through a stormy night. He recounts a harrowing tale of a steamer that failed to see the lower lights and ultimately crashed due to their absence, illustrating the dire consequences of neglecting our responsibility to shine brightly for others. Moody urges believers to keep their lights burning, as many are lost in the darkness of sin and are in desperate need of guidance. The message is clear: while Christ is the upper light, it is our duty to illuminate the path for those who are struggling. By doing so, we can help rescue souls and lead them to the safety of salvation.

G. Campbell Morgan emphasizes the profound lessons from the story of Jonah, focusing on God's mercy towards Nineveh and the responsibilities of His messengers. He highlights God's persistent patience and the need for obedience over personal prejudices, revealing that Jonah's anger stemmed not from ignorance of God, but from his hatred of Nineveh. The sermon underscores the importance of representing God's compassion and love, urging believers to overcome their biases and engage with those they may dislike. Ultimately, Morgan calls for a missionary spirit that reflects God's pity for all humanity, encouraging the church to act in obedience to God's command to reach out to the lost.

Chuck Smith emphasizes the role of believers as watchmen, drawing from Ezekiel 3:17, where God calls Ezekiel to warn Israel of their wickedness. He highlights that the responsibility of Christians is to hear God's word and share it, not to convert others, as that is the work of the Holy Spirit. Smith encourages believers to recognize their duty to serve God and warn others of the consequences of sin, asserting that delivering the message is fulfilling their responsibility. He reassures that even if people mock or dismiss the warning, the truth will remain with them. Ultimately, serving God is not optional but a divine mandate for all Christians.

A.B. Simpson emphasizes the urgent logic of missions, illustrating how the responsibility for spreading the Gospel falls on every believer. He argues that the world’s moral and spiritual ruin is a direct consequence of our failure to share the message of salvation, which is accessible to all through Christ. Simpson passionately conveys that the Gospel is not just a message of love but a divine remedy for humanity's deepest needs, urging believers to take action in sending and supporting missionaries. He highlights the necessity of human agency in proclaiming the Gospel and the collective responsibility of the Church to send forth messengers. Ultimately, he calls for a heart aflame with love for the lost, reminding us that the salvation offered through Jesus is a gift meant for everyone.

Manley Beasley emphasizes the responsibility of man in relation to God's sovereignty, urging Christians to recognize that today is the day of salvation. He reflects on the immaturity within the Corinthian church, highlighting how their self-serving actions hindered the work of God. Beasley challenges believers to grow spiritually and to understand their role in sharing the gospel, stressing that the urgency of salvation should not be overlooked. He illustrates the importance of living a life that honors God rather than indulging in personal desires, as this impacts future generations. Ultimately, he calls for a commitment to God that transcends mere religious activity, urging believers to actively participate in God's mission.