Hebrews 4:14-16
Inasmuch, then, as we have in Jesus, the Son of God, a great High Priest who has passed into Heaven itself, let us hold firmly to our profession of faith.
Hebrews 7:25
Hence too He is able to save to the uttermost those who come to God through Him, seeing that He ever lives to plead for them.
Hebrews 9:24
For not into a Holy place built by men's hands--a mere copy of the reality--did Christ enter, but He entered Heaven itself, now to appear in the presence of God on our behalf.
1 John 2:1-2
Dear children, I write thus to you in order that you may not sin. If any one sins, we have an Advocate with the Father--Jesus Christ the righteous;
Revelation 8:3-4
And another angel came and stood close to the altar, carrying a censer of gold; and abundance of incense was given to him that he might place it with the prayers of all God's people upon the golden altar which was in front of the throne.