A frequent misinterpretation equates 'vessel' with one's wife, implying men should learn to possess their spouses in sanctification and honor, but the Greek term and surrounding verses on avoiding sexual immorality and controlling one's body clearly point to self-mastery over personal physical desires, not marital relations, leading some to overlook the individual responsibility for bodily purity.
I Thessalonians 4:4
King James Version (1769)
4 That every one of you should know how to possess his vessel in sanctification and honour;
This passage urges believers to exercise self-control over their own bodies, treating them as sacred vessels to be possessed in holiness and honor rather than in the lustful passion typical of unbelievers, as part of living in a way that pleases God and reflects their calling to sanctification within the broader context of Paul's instructions on sexual purity and brotherly love.