Matthew 25:4
"But the wise took oil in their vessels with their lamps."
Cross References (ranked by relevance)
But ye are not in the flesh, but in the Spirit, if so be that the Spirit of God dwell in you. Now if any man have not the Spirit of Christ, he is none of his.
For he whom God hath sent speaketh the words of God: for God giveth not the Spirit by measure unto him.
Thou lovest righteousness, and hatest wickedness: therefore God, thy God, hath anointed thee with the oil of gladness above thy fellows.
Who hath also sealed us, and given the earnest of the Spirit in our hearts.
These be they who separate themselves, sensual, having not the Spirit.