Mark 4:27

and he goes to bed at night and gets up every day, and [in the meantime] the seed sprouts and grows; how [it does this], he does not know.

Ecclesiastes 11:5

Just as you do not know the way and path of the wind or how the bones are formed in the womb of a pregnant woman, even so you do not know the activity of God who makes all things.

Ecclesiastes 8:17

and I saw all the work of God, I concluded that man cannot discover the work that is done under the sun. Even though man may labor in seeking, he will not discover; and [more than that], though a wise man thinks and claims he knows, he will not be able to find it out.

John 3:7-8

Do not be surprised that I have told you, ‘You must be born again [reborn from above—spiritually transformed, renewed, sanctified].’

1 Corinthians 15:37-38

The seed you sow is not the body (the plant) which it is going to become, but it is a bare seed, perhaps of wheat or some other grain.

2 Thessalonians 1:3

We ought always and indeed are morally obligated [as those in debt] to give thanks to God for you, brothers and sisters, as is fitting, because your faith is growing ever greater, and the [unselfish] love of each one of you toward one another is continually increasing.

2 Peter 3:18

but grow [spiritually mature] in the grace and knowledge of our Lord and Savior Jesus Christ. To Him be glory (honor, majesty, splendor), both now and to the day of eternity. Amen.

Treasury of Scripture Knowledge

Summary

And should sleep, and rise night and day, and the seed should spring and grow up, he knoweth not how.

Bible References

And grow

Ecclesiastes 8:17
and I saw all the work of God, I concluded that man cannot discover the work that is done under the sun. Even though man may labor in seeking, he will not discover; and [more than that], though a wise man thinks and claims he knows, he will not be able to find it out.
Ecclesiastes 11:5
Just as you do not know the way and path of the wind or how the bones are formed in the womb of a pregnant woman, even so you do not know the activity of God who makes all things.
John 3:7
Do not be surprised that I have told you, ‘You must be born again [reborn from above—spiritually transformed, renewed, sanctified].’
1 Corinthians 15:37
The seed you sow is not the body (the plant) which it is going to become, but it is a bare seed, perhaps of wheat or some other grain.
2 Thessalonians 1:3
We ought always and indeed are morally obligated [as those in debt] to give thanks to God for you, brothers and sisters, as is fitting, because your faith is growing ever greater, and the [unselfish] love of each one of you toward one another is continually increasing.
2 Peter 3:18
but grow [spiritually mature] in the grace and knowledge of our Lord and Savior Jesus Christ. To Him be glory (honor, majesty, splendor), both now and to the day of eternity. Amen.

General references

Matthew 13:26
So when the plants sprouted and formed grain, the weeds appeared also.
John 9:10
So they said to him, “How were your eyes opened?”
1 Corinthians 15:38
But God gives it a body just as He planned, and to each kind of seed a body of its own [is given].