My niece’s husband recently wrote these words on a social media site: “I would say a lot more online if it weren’t for this little voice that prompts me not to. As a follower of Jesus, you might think that little voice is the Holy Spirit. It isn’t. It’s my wife, Heidi.”

With the smile comes a sobering thought. The cautions of a discerning friend can reflect the wisdom of God. Ecclesiastes 9 says that the “words of the wise, spoken quietly, should be heard” (v. 17 nkjv).

Scripture warns us not to be wise in our own eyes or proud (Prov.…