2 Thessalonians 1:8

awarding vengeance to those who know not God, and to those who obey not the Gospel of our Lord Jesus;

2 Timothy 2:24

now a servant of the Lord must not engage in strife, but should be gentle towards all, apt in teaching, patient of wrong,

Hebrews 3:5-6

And Moses, indeed, was faithful in all his house, as a servant, for a testimony of the things to be afterward spoken;

1 Peter 2:8

and "a stone of stumbling, and rock of offense"; who stumble, being disobedient to the word, to which also they were appointed.

1 Peter 4:17

Because it is the time for judgment to begin at the house of God; and, if it begin first at us, what shall be the end of those who obey not the Gospel of God?

Treasury of Scripture Knowledge

Summary

Because they obeyed not the voice of the LORD their God, but transgressed his covenant, and all that Moses the servant of the LORD commanded, and would not hear them, nor do them.

Bible References

They obeyed not

2 Thessalonians 1:8
awarding vengeance to those who know not God, and to those who obey not the Gospel of our Lord Jesus;
1 Peter 2:8
and "a stone of stumbling, and rock of offense"; who stumble, being disobedient to the word, to which also they were appointed.
1 Peter 4:17
Because it is the time for judgment to begin at the house of God; and, if it begin first at us, what shall be the end of those who obey not the Gospel of God?

Moses

2 Timothy 2:24
now a servant of the Lord must not engage in strife, but should be gentle towards all, apt in teaching, patient of wrong,
Hebrews 3:5
And Moses, indeed, was faithful in all his house, as a servant, for a testimony of the things to be afterward spoken;