Matthew 25:9

But the wise answered, saying, Not so; lest there be not enough for us and you: but go ye rather to them that sell, and buy for yourselves.

Cross-reference

Psalm 49:7-9 teaches no one can ransom another's life — parallels the wise virgins' inability to share oil, symbolizing personal readiness.

Ezekiel 14:14-16 states that even righteous Noah, Daniel, Job can only save themselves — parallels the wise virgins' oil only sufficient for themselves.

Ezekiel 14:20 repeats that even the most righteous cannot deliver their own children — reinforces personal readiness as in the parable.

Jeremiah 15:1 shows even Moses and Samuel cannot intercede for the guilty — parallels the wise virgins' inability to provide oil for the foolish.