Acts 18:18

And Paul, having stayed many days longer, took leave of the brethren, and sailed thence to Syria, and with him Priscilla and Aquila, after he had shaved his head in Cenchreae, for he had a vow.

Acts 21:23-24

Do this therefore that we advise thee. We have four men who have a vow on them.

Philippians 3:8-9

Nay more, I count all things to be loss for the excellency of the knowledge of Christ Jesus my Lord, for whom I have suffered the loss of all things, and count them as refuse, that I may gain Christ,

Treasury of Scripture Knowledge

Summary

And if any man die very suddenly by him, and he hath defiled the head of his consecration; then he shall shave his head in the day of his cleansing, on the seventh day shall he shave it.

Bible References

Shave

Acts 18:18
And Paul, having stayed many days longer, took leave of the brethren, and sailed thence to Syria, and with him Priscilla and Aquila, after he had shaved his head in Cenchreae, for he had a vow.
Acts 21:23
Do this therefore that we advise thee. We have four men who have a vow on them.
Philippians 3:8
Nay more, I count all things to be loss for the excellency of the knowledge of Christ Jesus my Lord, for whom I have suffered the loss of all things, and count them as refuse, that I may gain Christ,