Exodus 30:8

and likewise at even when he setteth up the lamps he shall burn cense perpetually before the LORD throughout your generations.

Exodus 12:6

And ye shall keep him inward, until the fourteenth day of the same month. And every man of the multitude of Israel shall kill him about even.

Romans 8:34

who then shall condemn? It is Christ which is dead; Yea rather which is risen again, which is also on the righthand of God and maketh intercession for us.

1 Thessalonians 5:17

Pray continually.

Hebrews 7:25

Wherefore he is able also ever to save them that come unto God by him, seeing he ever liveth, to make intercession for us.

Hebrews 9:24

For Christ is not entered into the holy places, that are made with hands, which are but similitudes of true things: but is entered into very heaven, for to appear now in the sight of God for us.

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 then shall condemn? It is Christ which is dead; Yea rather which is risen again, which is also on the righthand of God and maketh intercession for us.
1 Thessalonians 5:17
Pray continually.
Hebrews 7:25
Wherefore he is able also ever to save them that come unto God by him, seeing he ever liveth, to make intercession for us.
Hebrews 9:24
For Christ is not entered into the holy places, that are made with hands, which are but similitudes of true things: but is entered into very heaven, for to appear now in the sight of God for us.