Exodus 30:8

When Aaron sets up the lamps at twilight, he shall burn incense, a perpetual incense before the Lord throughout your generations.

Exodus 12:6

You shall keep it until the fourteenth day of the same month, then the whole assembly of the congregation of Israel is to slaughter it at twilight.

Romans 8:34

Who is the one who condemns us? Christ Jesus is the One who died [to pay our penalty], and more than that, who was raised [from the dead], and who is at the right hand of God interceding [with the Father] for us.

1 Thessalonians 5:17

be unceasing and persistent in prayer;

Hebrews 7:25

Therefore He is able also to save forever (completely, perfectly, for eternity) those who come to God through Him, since He always lives to intercede and intervene on their behalf [with God].

Hebrews 9:24

For Christ did not enter into a holy place made with hands, a mere copy of the true one, but [He entered] into heaven itself, now to appear in the very presence of God on our behalf;

Treasury of Scripture Knowledge

Summary

And when Aaron lighteth the lamps at even, he shall burn incense upon it, a perpetual incense before the LORD throughout your generations.

Bible References

A perpetual

Romans 8:34
Who is the one who condemns us? Christ Jesus is the One who died [to pay our penalty], and more than that, who was raised [from the dead], and who is at the right hand of God interceding [with the Father] for us.
1 Thessalonians 5:17
be unceasing and persistent in prayer;
Hebrews 7:25
Therefore He is able also to save forever (completely, perfectly, for eternity) those who come to God through Him, since He always lives to intercede and intervene on their behalf [with God].
Hebrews 9:24
For Christ did not enter into a holy place made with hands, a mere copy of the true one, but [He entered] into heaven itself, now to appear in the very presence of God on our behalf;