Romans 2:4

Or despisest thou the riches of his kindness and patience and long-suffering, ignorant that this goodness of God is leading thee to repentance?

Romans 11:20

Admitted; by unbelief they were broken off, and thou standest by faith. Be not high minded, but fear:

Hebrews 4:1

LET us fear then lest, though a promise be left of entering into his rest, any one of you should appear to fail of obtaining it.

1 Peter 1:17

And if ye invoke him as Father, who without respect of persons judgeth according to every man's work, conduct yourselves during the time of your sojourning with [jealous] fear:

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
Admitted; by unbelief they were broken off, and thou standest by faith. Be not high minded, but fear:
Hebrews 4:1
LET us fear then lest, though a promise be left of entering into his rest, any one of you should appear to fail of obtaining it.
1 Peter 1:17
And if ye invoke him as Father, who without respect of persons judgeth according to every man's work, conduct yourselves during the time of your sojourning with [jealous] fear:

General references

1 Corinthians 10:12
Wherefore let him that thinketh he standeth, take heed lest he fall.