Hebrews 6:17-18

wherefore God was willing to give the heirs of promise a stronger proof of the immutability of his counsel, by the intervention of an oath:

Revelation 10:5-6

Then the angel which I saw standing upon the sea, and upon the land, lifted up his hand to heaven,

Treasury of Scripture Knowledge

Summary

For I lift up my hand to heaven, and say, I live for ever.

General references

Bible References

General references

Hebrews 6:17
wherefore God was willing to give the heirs of promise a stronger proof of the immutability of his counsel, by the intervention of an oath:
Revelation 10:5
Then the angel which I saw standing upon the sea, and upon the land, lifted up his hand to heaven,