Revelation 11:15

And the seventh angel sounded, and there were great voices in heaven, saying, The kingdoms of the world are become the kingdoms of our Lord, and of his Christ; and he shall reign for ever and ever.

Revelation 20:1-6

And I saw an angel descending from heaven, who had the key of the abyss, and a great chain in his hand.

Treasury of Scripture Knowledge

Summary

It is like a grain of mustard seed, which, when it is sown in the earth, is less than all the seeds that be in the earth:

Bible References

Is less than

Revelation 11:15
And the seventh angel sounded, and there were great voices in heaven, saying, The kingdoms of the world are become the kingdoms of our Lord, and of his Christ; and he shall reign for ever and ever.
Revelation 20:1
And I saw an angel descending from heaven, who had the key of the abyss, and a great chain in his hand.