Romans 2:4

Or is it that you think slightingly of His infinite goodness, forbearance and patience, unaware that the goodness of God is gently drawing you to repentance?

Romans 11:20

This is true; yet it was their unbelief that cut them off, and you only stand through your faith.

Hebrews 4:1

Therefore let us be on our guard lest perhaps, while He still leaves us a promise of being admitted to His rest, some one of you should be found to have fallen short of it.

1 Peter 1:17

And if you address as your Father Him who judges impartially in accordance with each man's actions, then spend in fear the time of your stay here on earth,

Treasury of Scripture Knowledge

Summary

Happy is the man that feareth alway: but he that hardeneth his heart shall fall into mischief.

General references

Bible References

Happy

Romans 11:20
This is true; yet it was their unbelief that cut them off, and you only stand through your faith.
Hebrews 4:1
Therefore let us be on our guard lest perhaps, while He still leaves us a promise of being admitted to His rest, some one of you should be found to have fallen short of it.
1 Peter 1:17
And if you address as your Father Him who judges impartially in accordance with each man's actions, then spend in fear the time of your stay here on earth,

General references

1 Corinthians 10:12
So then let him who thinks he is standing securely beware of falling.