“And he said unto the people, Be ready against the third day: come not at your wives.”
My Notes
What Does Exodus 19:15 Mean?
"Be ready against the third day." Moses instructs the people to prepare for God's arrival in three days. The preparation has a timeline: not today, not tomorrow, but the third day. The delay between the instruction and the event creates space for preparation, anticipation, and increasing awareness of what's coming.
The "third day" is a recurring biblical motif: Jonah in the whale's belly three days. Jesus in the tomb three days. The third day is consistently the day of significant divine action — the day things change. The three-day preparation at Sinai anticipates every subsequent three-day structure in Scripture.
The instruction to "be ready" (koon — to establish, to prepare, to make firm) means the readiness is active, not passive. You don't just wait for the third day. You prepare for it. The three days aren't empty — they're filled with sanctification, clothes-washing, and the boundary-setting that makes the encounter possible.
Reflection Questions
- 1.What 'third day' are you preparing for?
- 2.How does the three-day delay between instruction and encounter serve the preparation?
- 3.What active readiness — not passive waiting — does your approaching encounter require?
- 4.How does the third-day pattern at Sinai connect to the resurrection?
Devotional
Be ready. The third day. Three days to prepare for the most significant encounter Israel will ever have with God. Not now — three days from now. The delay is the preparation.
The third day shows up everywhere in Scripture after this: Jonah's whale, Esther's fast, the resurrection. Each time, the third day is the day of breakthrough. The number isn't accidental. The pattern starts here, at Sinai, with the instruction: be ready against the third day. Every subsequent third-day event echoes back to this mountain.
The three-day gap between instruction and encounter creates something anxiety alone can't: readiness. Not the adrenaline of sudden crisis but the deliberate preparation of anticipated arrival. You know it's coming. You have time to prepare. The preparation makes the encounter what it should be rather than what your surprise would make it.
The readiness is active: 'be ready' means do something. Not sit and wait — prepare. Consecrate yourselves. Wash your clothes. Set boundaries. The three days aren't dead time. They're preparation time. Every hour between the instruction and the third day has a purpose: making you ready for what you couldn't handle unprepared.
What third day are you preparing for? What encounter is coming that needs three days of active readiness? The instruction is present tense: be ready. The arrival is future: the third day. Between the instruction and the arrival is where your preparation happens.
Be ready. It's coming.
Commentary
Trusted original commentary from respected historical Bible scholars and theologians.
And he said unto the people, be ready against the third day,.... The third day from thence, the sixth of the month…
Here, I. God intimates to Moses his purpose of coming down upon mount Sinai, in some visible appearance of his glory, in…
Cross References
Related passages throughout Scripture