Matthew 3:10

and already the axe lies at the root of the trees; every tree, therefore, which bears not good fruit is cut down and cast into the fire.

Matthew 13:15

for the hearts of this people have become hard, and they hear imperfectly with their ears, and their eyes have they closed, lest they should see with their eyes, and hear with their ears, and understand with their hearts, and turn, and I should heal them.

Matthew 13:19

When any one hears the word of the kingdom and does not understand it, the evil one comes and takes away the seed sown in his heart. This is he that received seed by the way.

John 15:6

If any one continues not in me he is cast without as a branch, and is withered; and they collect them and cast them into the fire, and they are burned.

Romans 1:28

And as they did not choose to retain God in their knowledge, God gave them up to a reprobate mind, to do things which are not proper,

Romans 1:31

unintelligent, covenant-breakers, without natural affection, unmerciful,

1 Thessalonians 2:16

forbidding us to speak to the gentiles that they may be saved, that they may fill up their sins always; and the wrath has come on them to the utmost.

2 Thessalonians 1:8-9

in a flame of fire, executing judgment on all that know not God and obey not the gospel of our Lord Jesus;

James 2:13

For he shall have judgment without mercy who shows not mercy; mercy rejoices over 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 lies at the root of the trees; every tree, therefore, which bears not good fruit is cut down and cast into the fire.
John 15:6
If any one continues not in me he is cast without as a branch, and is withered; and they collect them and cast them into the fire, and they are burned.

For it is

Matthew 13:15
for the hearts of this people have become hard, and they hear imperfectly with their ears, and their eyes have they closed, lest they should see with their eyes, and hear with their ears, and understand with their hearts, and turn, and I should heal them.
Romans 1:28
And as they did not choose to retain God in their knowledge, God gave them up to a reprobate mind, to do things which are not proper,