n this way, God qualified him as a perfect High Priest, and he became the source of eternal salvation for all those who obey him.
Which scriptures do people ‘use’ to say “once saved, always saved”?
"A period of seventy sets of seven has been decreed for your people and your holy city to finish their rebellion, to put an end to their sin, to atone for their guilt, to bring in everlasting righteousness, to confirm the prophetic vision, and to anoint the Most Holy Place.
Once a person is saved are they always saved? Yes, when people come to know Christ as their Savior, they are brought into a relationship with God that guarantees their salvation as eternally secure. To be clear, salvation is more than saying a prayer or “making a decision” for Christ; salvation is a sovereign act of God whereby an unregenerate sinner is washed, renewed, and born again by the Holy Spirit (John 3:3; Titus 3:5). When salvation occurs, God gives the forgiven sinner a new heart and puts a new spirit within him (Ezekiel 36:26). The Spirit will cause the saved person to walk in obedience to God’s Word (Ezekiel 36:26–27; James 2:26)
I don’t think so we can leave Jesus once we tasted Him