Five-minute study · Day 336 · Mark 10
Mark 10:21
A word worth stopping on: lack ὑστερέω hystereo
'Then Jesus beholding him loved him, and said unto him, One thing thou lackest: go thy way, sell whatsoever thou hast, and give to the poor, and thou shalt have treasure in heaven: and come, take up the cross, and follow me.' The Greek word for 'lackest' is hystereo. In the commercial Greek of the first century, it meant to fall short of a financial target, to come up short on an account. Merchants used it when the books did not balance. Jesus looked at a man who had kept every commandment since his youth, a man whose moral ledger appeared complete, and told him his account had a deficit. The man's face fell. He went away grieving, because he had great possessions. The accounting term made the diagnosis precise: you are short. The one thing missing was the one thing he could not give up.
Word study: lack
- Greek
- ὑστερέω
- Pronounced
- hystereo
- Strong's
- G5302
- Definition
- To be behind, to come late, to fall short, to lack, to be deficient. In commercial contexts: to fall short of a required amount, to have a deficit in an account. From hysteros (latter, behind).
Hystereo appears 16 times in the New Testament. BDAG defines it as 'to fail to reach a goal, to lack, to be in need, to come short.' The word appears in Romans 3:23 ('all have sinned, and come short of the glory of God'), 1 Corinthians 1:7 ('ye come behind in no gift'), Philippians 4:12 ('I know both how to be abased, and I know how to abound... both to abound and to suffer need'), and Hebrews 4:1 ('any of you should seem to come short of it').
Moulton and Milligan's Vocabulary of the Greek Testament documents hystereo in papyrus commercial records from Egypt. The word appears in financial accounts where payments fall short of the required total. A merchant recording a transaction deficit would write hystereo to indicate the gap between what was owed and what was paid. The word carried the precision of arithmetic: the number is known, the shortfall is measured, the deficit is exact.
Jesus' use of the word in Mark 10:21 applies this accounting precision to spiritual condition. The young man has just reported comprehensive moral compliance: 'all these have I observed from my youth' (10:20). Mark adds a detail found in no other Gospel: 'Jesus beholding him loved him.' The diagnosis comes from love. The deficit is one item. Jesus names it: sell everything, give to the poor, follow me. The man cannot. He goes away grieving (perilypos, deeply sorrowful).
The encounter reveals that hystereo in Jesus' vocabulary measures something different from what the young man expected. The man measured himself by commandments kept. Jesus measured by attachment surrendered. The books did not balance because one asset was held back from the accounting. The young man's wealth was the one line item he could not release, and that single entry put the entire ledger in deficit.
Historical context · c. AD 30
Wealth, Commandment-Keeping, and the Rich in First-Century Palestine
The encounter between Jesus and the rich young man occurs against the background of first-century Palestinian assumptions about wealth and righteousness. In Jewish thought of the period, material prosperity was widely understood as evidence of divine favor. Deuteronomy 28 links obedience to blessing, including agricultural and economic prosperity. The Psalms associate the righteous with flourishing (Psalm 1:3, 'whatsoever he doeth shall prosper'). A wealthy man who also kept the commandments would have appeared, to the disciples and to himself, as the very model of spiritual success.
This explains the disciples' astonishment in Mark 10:26: 'Who then can be saved?' If this man, rich and righteous, cannot enter the kingdom, the category of 'saved person' appears empty. The equation wealth-equals-blessing was so deeply embedded that Jesus' words overturned their entire framework.
Archaeological evidence from the early Roman period in Palestine reveals sharp economic stratification. The Herodian aristocracy and the priestly class in Jerusalem accumulated significant wealth through land ownership, temple taxation, and trade. Excavations in the Upper City of Jerusalem (the Herodian Quarter) have uncovered large mansions with mosaic floors, imported pottery, and stone vessels indicating ritual purity observance alongside material luxury. The rich young man may have belonged to this class: wealthy, devout, and convinced that the two conditions confirmed each other.
Moulton and Milligan's papyrological evidence places hystereo in the language of commerce that would have been familiar across the eastern Mediterranean. Tax receipts, trade accounts, and loan documents used the word to indicate financial shortfall. Jesus borrowed the merchants' vocabulary and applied it to the human heart. The deficit he identified was not moral failure in the conventional sense. The man had kept the commandments. The deficit was the refusal to release the one thing that competed with God for first place. The account was short by exactly one attachment.
For reflection
Jesus loved the man and then told him the hardest thing he had ever heard. The love and the demand were not separate. They were the same act. If Jesus looked at your life with that same precision and named one thing you are holding back, what would it be? You probably already know. The question is whether you can hear it as love.
The man went away grieving. He heard the diagnosis. He understood the cost. He chose the deficit. You can still choose differently.
Sources: Moulton & Milligan; BDAG