Mark 4:31

It is like to a grain of mustard-seed, which when it is sown in the ground, is one of the lest of all the seeds on the earth:

Matthew 13:31-33

Another parable delivered He unto them, saying, The gospel-kingdom is like a grain of mustard-seed, which a man took and sowed in his field.

Luke 13:18-19

Then said He, To what is the kingdom of God like, and to what shall I compare it?

Acts 2:41

They therefore that received his word with readiness were baptized: and in that same day there were added unto them about three thousand souls.

Acts 4:4

But many of them who heard the word, believed: and the number of the men was about five thousand.

Acts 5:14

And true believers were the more willingly added to the Lord, even multitudes both of men and women.

Acts 19:20

So mightily did the word of the Lord increase and prevail.

Acts 21:20

And when they heard it, they glorified the Lord, and said to him, Thou seest, brother, how many myriads there are of the believing Jews, and they are all zealous for the law.

Revelation 11:15

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

Revelation 20:1-6

And I saw an angel come down from heaven, who had the key of the bottomless pit, 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

Like

Matthew 13:31
Another parable delivered He unto them, saying, The gospel-kingdom is like a grain of mustard-seed, which a man took and sowed in his field.
Luke 13:18
Then said He, To what is the kingdom of God like, and to what shall I compare it?

Is less than

Acts 2:41
They therefore that received his word with readiness were baptized: and in that same day there were added unto them about three thousand souls.
Acts 4:4
But many of them who heard the word, believed: and the number of the men was about five thousand.
Acts 5:14
And true believers were the more willingly added to the Lord, even multitudes both of men and women.
Acts 19:20
So mightily did the word of the Lord increase and prevail.
Acts 21:20
And when they heard it, they glorified the Lord, and said to him, Thou seest, brother, how many myriads there are of the believing Jews, and they are all zealous for the law.
Revelation 11:15
And the seventh angel sounded his trumpet, and there were great voices in heaven, saying, The kingdoms of the world are become the kingdoms of our Lord, and of his Anointed, and He shall reign for ever and ever.
Revelation 20:1
And I saw an angel come down from heaven, who had the key of the bottomless pit, and a great chain in his hand.