Matthew 3:10

And already the axe is lying at the roots of the trees. Any tree, therefore, that does not bear good fruit is cut down and cast into the fire.

Matthew 13:15

For the heart of his people is made fat, Their ears are dull of hearing; Their eyes, too, have they closed, Lest some day their eyes should perceive, And their ears should hear, And their heart should understand and turn, And I should heal them.

Matthew 13:19

"Whenever any one hears the message of the kingdom, and does not understand it, the Evil One comes and snatches away what was sown in his heart.

John 15:6

"If any one does not abide in me he is thrown away like a branch and withers. Such branches are gathered up and thrown into the fire and burned.

Romans 1:28

And just as they refused to continue to retain God in their knowledge, so did God cast them out to an outcast mind, to do those things which were indecent.

Romans 1:31

They were without sense, without faith, without natural affection, without mercy.

1 Thessalonians 2:16

They forbid me to speak to the Gentiles with a view to their salvation. They continue always to fill up the measure of their sins; but the wrath of God is come upon them to the full!

2 Thessalonians 1:8-9

in flaming fire. Then shall he take vengeance on those who know not God, even on those who do not obey the gospel of our Lord Jesus.

James 2:13

For judgment is without mercy to the man who has showed no mercy. but mercy glories in the face of judgment.

Treasury of Scripture Knowledge

Summary

When the boughs thereof are withered, they shall be broken off: the women come, and set them on fire: for it is a people of no understanding: therefore he that made them will not have mercy on them, and he that formed them will shew them no favour.

The boughs

Bible References

The boughs

Matthew 3:10
And already the axe is lying at the roots of the trees. Any tree, therefore, that does not bear good fruit is cut down and cast into the fire.
John 15:6
"If any one does not abide in me he is thrown away like a branch and withers. Such branches are gathered up and thrown into the fire and burned.

For it is

Matthew 13:15
For the heart of his people is made fat, Their ears are dull of hearing; Their eyes, too, have they closed, Lest some day their eyes should perceive, And their ears should hear, And their heart should understand and turn, And I should heal them.
Romans 1:28
And just as they refused to continue to retain God in their knowledge, so did God cast them out to an outcast mind, to do those things which were indecent.