“Every Christian here is either a missionary or an impostor. Recollect that you are either trying to spread abroad the kingdom of Christ, or else you do not love him at all. It cannot be that there is a high appreciation of Jesus, and a totally silent tongue about him. Of course I do not mean, by that, that those who use the pen for Christ are silent; they are not. And those who help others to use the tongue, or spread that which others have written, are doing their part well; but I mean this,—that man who says, ‘I believe in Jesus,’ but does not think enough of Jesus ever to tell another about him, by mouth, or pen, or tract, is an impostor.”
C. H. Spurgeon, The Metropolitan Tabernacle Pulpit Sermons, vol. 54 (London: Passmore & Alabaster, 1908), 476–477.