“For God’s sake, wash your hands!” Dr. Ignaz Philip Semmelweis thundered this desperate plea in the middle of a meeting of doctors in the mid-19th century. In his day, there was an alarmingly high death toll among new mothers, post-surgery patients, and even medical professionals—and Semmelwies suspected that unwashed hands were the culprit. After inventing a chlorine solution that effectively eliminated bacteria from surgical instruments and hands, his suspicions proved true. Unfortunately, his advice was ignored (as he was believed to be insane), and doctors continued to unknowingly kill patients by neglecting sanitation. Those entrusted with saving lives were unknowingly ending them because of their contaminated hands.
Likewise, the Great Physician’s admonition to believers is, “For My sake, wash your hands!” As James said, “Cleanse your hands” (James 4:8b). The Lord calls His gospel-entrusted people to keep themselves clean and holy as they minister to a world sick with sin (Rom. 12:2; 2 Cor. 6:14-17; Gal. 6:14; 1 John 2:15-17). Wickedness is the most contagious spiritual bacteria known to man, and believers must exercise extreme caution when preaching Christ to an idolatry-infected world, lest they become ill and kill their testimony. Christians must remain “unstained from the world” (James 1:27), or they will cause more harm than good by transferring the stain of sin to those who need cleansing from Christ’s blood (1 John 1:7b).
Do you remember the unnamed prophet from Judah? His story is told in 1 Kings 13, and his sole responsibility was to preach the word of the Lord without becoming tainted by idolatry. He was sent to preach the cleansing word of God to the sin-polluted king, Jeroboam. But he was admonished to do so at a distance—he wasn’t even permitted to eat with him (1 Kings 13:8-9). But, despite resisting Jeroboam’s cunning offer of dinner, he ironically accepts an identical invitation from a false prophet in Bethel (1 Kings 13:18-19).
He was subsequently slaughtered by a lion, and the prophet’s testimony died with him (1 Kings 13:24-25). Unlike the unidentified prophet from Judah, believers are called to speak God’s word and the gospel without becoming infected by idolatry. The Lord Jesus exemplified this by befriending sinners, but not their sin (Matt. 11:19; Luke 7:34). Unlike the Judean prophet, the Prophet from Galilee ate with tax collectors and sinners, and He made it home pure (Mark 2:15-22). Christ reached the world without becoming worldly.
Christ is our example. The prophet from Judah and doctors from old are our warnings. The hymn-writer Harper G. Smyth (1873-1945) reminds us in Make Me a Channel of Blessing:
“We cannot be channels of blessing
If our lives are not free from known sin;
We will barriers be and a hindrance
To those we are trying to win.”
Will you administer the soul-saving remedy of the gospel with hands washed through sanctification?
Bible Gleanings is a widely-read weekend devotional column, written for the Murray Ledger & Times in Calloway County, Kentucky.

Brandon is the founder and main contributor to Brandon’s Desk, the blog with biblical resources from his ministry. He pastored the family of believers at Locust Grove Baptist Church in Murray, Kentucky for six years. He and his wife Dakota live there with their three dogs, Susie (Jack Russell), Aries (English Shepherd), and Dot (Bluetick Beagle).
For more devotional entries like this, check out Brandon’s latest book, Bible Gleanings Volume II, which features 100 daily devotionals gleaned from God’s word: