The strongest argument for the truth of Christianity is the true Christian, the man filled with the Spirit of Christ. [...] The best proof of Christ's resurrection is a living Church, which itself is walking in new life, and drawing life from him who has overcome death.

The Best Methods of Counteracting Modern Infidelity: A Paper Read before the General Conference of the Evangelical Alliance, New York, October 6, 1873 (New York: Harper & Bros, 1874) p. 87. Reported slightly differently in Josiah H. Gilbert (ed.) Burning Words of Brilliant Writers (Troy, NY: H. B. Nims & Co, 1883) p. 137: "The strong argument for the truth of Christianity is the true Christian; the man filled with the Spirit of Christ. The best proof of Christ's resurrection is a living church, which itself is walking in a new life, and drawing life from Him who hath overcome death."