Examine yourselves, whether ye be in the faith; prove your own selves. Know ye not your own selves, how that Jesus Christ is in you, except ye be reprobates? – 2 Corinthians 13:5

How is it with you as to private prayer? Are there not believers, and we hope true believers too, who are lax in devotion? The morning prayer is brief, but alas! it is not fervent; the evening prayer is too often sleepy; ejaculations are few and far between; communion with heaven is distant, suspended, almost non-existent in many cases. Look ye to this, my brethren; let each man commune with his own heart and be still. Think not of others just now but let each one consider his ways. How is it with your love to the souls of sinners? There was a time when you would have done anything to bring a man to Christ, when any exertion you could have put forth would have been made spontaneously, without the need of incessant exhortations; are you as ready to speak for Jesus now as you once were? Do you watch to bring souls to Him? Does the tear tremble in your eye, now, as it once did for lost souls, perishing without Christ? Alas, upon how many has a hardening influence operated. Ah, and this is true even of us ministers. We have grown professional in our service, and now we preach like automatons, wound up for a sermon, to run down when the discourse is over, and we have little more care for the souls of men than if they were so much dirt. Ah, and how many of God’s people must confess that their conscience is not so tender now as it used be…but now ah, professors hear ye this-some of you can be dishonest and speak words that border on lasciviousness, and be as others are, yet your heart does not smite you. Trifles of criticism, fancies of speculation, or fopperies of oratory, fascinate too many who should be wise to win His smile. God forgive us if we have fallen into so deplorable a state. ~ C.H. Spurgeon

https://www.blueletterbible.org/comm/spurgeon_charles/sermons/1011.cfm