2 Thessalonians 1:8

in flaming fire, to take vengeance on those, who know not God, and do not obey the gospel of our Lord Jesus Christ:

2 Timothy 2:24

a christian must not be litigious, but easy to all men, qualify'd to instruct,

Hebrews 3:5-6

besides Moses throughout his whole administration acted in quality of a servant, representing to the people what he was order'd to say.

1 Peter 2:8

and which the architects rejected, will be an occasion to the incredulous of their stumbling, and bruising themselves thereby:

1 Peter 4:17

for now is the time when God will begin his judgments with his own church. now if he begins with us, what will the conclusion be to those who do not obey the divine gospel?

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
in flaming fire, to take vengeance on those, who know not God, and do not obey the gospel of our Lord Jesus Christ:
1 Peter 2:8
and which the architects rejected, will be an occasion to the incredulous of their stumbling, and bruising themselves thereby:
1 Peter 4:17
for now is the time when God will begin his judgments with his own church. now if he begins with us, what will the conclusion be to those who do not obey the divine gospel?

Moses

2 Timothy 2:24
a christian must not be litigious, but easy to all men, qualify'd to instruct,
Hebrews 3:5
besides Moses throughout his whole administration acted in quality of a servant, representing to the people what he was order'd to say.