Hebrews 2:1

For this reason, it is needful that we give the more earnest heed to the things heard, lest at any time we drift past them.

Hebrews 12:15

looking carefully, lest there be any one falling short of the grace of God; lest any root of bitterness, springing up, trouble you, and through it many be defiled;

Treasury of Scripture Knowledge

Summary

But Jehu took no heed to walk in the law of the LORD God of Israel with all his heart: for he departed not from the sins of Jeroboam, which made Israel to sin.

Took no heed

Bible References

Took no heed

Hebrews 2:1
For this reason, it is needful that we give the more earnest heed to the things heard, lest at any time we drift past them.
Hebrews 12:15
looking carefully, lest there be any one falling short of the grace of God; lest any root of bitterness, springing up, trouble you, and through it many be defiled;