Ephesians 3:12
It is in [fellowship with] Christ that we have boldness and confident access [to God] through our faith in Him.
Ephesians 2:18
For through Him we [Jews and Gentiles] both have access to the Father by means of one Holy Spirit.
Romans 5:2
Through Jesus we have also gained access by [our] faith to this unearned favor [of God]. We stand firm in it, and are glad that we have the hope of being honored by God.
John 14:6
Jesus answered him, "I am the way [to God], and the truth [to believe], and the life [to live]. No one can go to the Father, except through [believing in] me.
Hebrews 4:14-16
Since then we [Christians] have [such] a great Head Priest, who has passed through the skies [i.e., ascended to heaven. See Acts 1:9], Jesus, the Son of God, we should remain true to our profession [of faith in Him].
2 Corinthians 3:4
[We say this] because we have such confidence in God through [our relationship with] Christ.
Hebrews 10:19-22
Therefore, brothers, since we have confidence to enter the Holy of Holies [i.e., heaven] by means of the blood of Jesus,