Original Verse:
Acts Chapter 21 Verse 23Do therefore this that we say to thee: We have four men that have a vow on them;

Reference Verses:
Acts Chapter 18 Verse 18And Paul, having tarried after this yet many days, took his leave of the brethren, and sailed thence for Syria, and with him Priscilla and Aquila: having shorn his head in Cenchreae; for he had a vow.