Acts 18:18

And Paul after remaining in Corinth some time longer, took leave of the brothers, and sailed away to Syria, accompanied by Priscilla and Aquila. As Paul was under a vow, he had his head shaved at Cenchrea.

Acts 21:23-24

"So do this that we tell you.

Philippians 3:8-9

In very truth I count all things but loss compared to the excellence of the knowledge of Christ Jesus my Lord. For his sake I have suffered the loss of all things, and esteem them but 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 after remaining in Corinth some time longer, took leave of the brothers, and sailed away to Syria, accompanied by Priscilla and Aquila. As Paul was under a vow, he had his head shaved at Cenchrea.
Acts 21:23
"So do this that we tell you.
Philippians 3:8
In very truth I count all things but loss compared to the excellence of the knowledge of Christ Jesus my Lord. For his sake I have suffered the loss of all things, and esteem them but refuse that I may gain Christ,