Careless professors are as much out of place as snow in harvest among truly living Christians. As vinegar to the teeth and smoke to the eyes are these sluggards. As well be bound to a dead body as forced into union with lifeless professors; they are a burden, a plague, and an abomination. You turn to one of these cold brethren after a graciously earnest prayer-meeting, and say with holy joy, “What a delightful meeting we have had!” “Yes,” he says carelessly and deliberately, as if it were an effort to say so much, “there was a good number of people.” How his frostbitten words grate on one’s ear! You ask yourself, “Where has the man been? Is he not conscious that the Holy Ghost has been with us?” Does not our Lord speak of these people as being cast out of his mouth, just because he himself is altogether in earnest, and consequently, when he meets with lukewarm people he will not endure them? He says, “I would thou wert cold or hot,” either utterly averse to good or in earnest concerning it. It is easy to see his meaning.
by C. H. Spurgeon
From the December 1866 Sword and Trowel