In the Holy Spirit as a Divine Person as God the Father and God the Son. The Spirit is the sanctifying power which enables a believer to live a holy life.

John 15:26
"When the Counselor comes, whom I will send to you from the Father, the Spirit of truth who goes out from the Father, he will testify about me."

Ephesians 5:18
Do not get drunk on wine, which leads to debauchery. Instead, be filled with the Spirit.

Hebrews 12:14
Make every effort to live in peace with all men and to be holy; without holiness no one will see the Lord.

I Peter 1:15-16
But just as he who called you is holy, so be holy in all you do; for it is written: "Be holy, because I am holy."