Job 36:12

But, if they would not hearken, by a weapon, should they pass away, and breathe their last, no one knowing.

Job 4:21

Is not their tent-rope within them, torn away? They die, disrobed of wisdom!

Isaiah 3:11

Alas! for the lawless, it is ill, For what his own hand hath matured, shall he done to him.

Deuteronomy 18:15-22

A prophet out of thy midst of thy brethren like unto me, will Yahweh thy God, raise up unto thee - unto him, shall ye hearken:

Deuteronomy 29:15-20

but with him who is here with us, standing to-day before Yahweh our God, - and with him who is not here with us to-day.

Job 15:22

He hath no confidence to come back out of darkness, he, being destined to the power oft the sword;

Isaiah 1:20

But, if ye refuse and rebel, With the sword, shall ye be devoured, For, the mouth of Yahweh, hath spoken it.

John 8:21-24

He said unto them again, therefore - I, go, and ye shall seek me, - and yet, in your sin, shall ye die: Whither, I, go, ye, cannot come.

Romans 2:8-9

Unto them, on the other hand, who are of contention, and are not yielding unto the truth, but are yielding unto unrighteousness, anger and wrath,

Treasury of Scripture Knowledge

Summary

But if they obey not, they shall perish by the sword, and they shall die without knowledge.

Bible References

If

Deuteronomy 18:15
A prophet out of thy midst of thy brethren like unto me, will Yahweh thy God, raise up unto thee - unto him, shall ye hearken:
Deuteronomy 29:15
but with him who is here with us, standing to-day before Yahweh our God, - and with him who is not here with us to-day.
Isaiah 1:20
But, if ye refuse and rebel, With the sword, shall ye be devoured, For, the mouth of Yahweh, hath spoken it.
Isaiah 3:11
Alas! for the lawless, it is ill, For what his own hand hath matured, shall he done to him.
Romans 2:8
Unto them, on the other hand, who are of contention, and are not yielding unto the truth, but are yielding unto unrighteousness, anger and wrath,

Die

Job 4:21
Is not their tent-rope within them, torn away? They die, disrobed of wisdom!
John 8:21
He said unto them again, therefore - I, go, and ye shall seek me, - and yet, in your sin, shall ye die: Whither, I, go, ye, cannot come.