Luke 1:50

and His mercy unto generation of generations to them that fear Him.

Hebrews 7:24-25

but he, because he abides forever, has an unchangeable priesthood:

Treasury of Scripture Knowledge

Summary

And when all the children of Israel saw how the fire came down, and the glory of the LORD upon the house, they bowed themselves with their faces to the ground upon the pavement, and worshipped, and praised the LORD, saying, For he is good; for his mercy endureth for ever.

Bible References

For he is

Hebrews 7:24
but he, because he abides forever, has an unchangeable priesthood:
Luke 1:50
and His mercy unto generation of generations to them that fear Him.