Hebrews 2:1

Therefore we ought to give the greater attention to the things we have heard, for fear we should abandon the gospel.

Hebrews 12:15

take care not to deprive yourselves of the divine favour: and that no poisonous root spring up, and spread a general infection among you.

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
Therefore we ought to give the greater attention to the things we have heard, for fear we should abandon the gospel.
Hebrews 12:15
take care not to deprive yourselves of the divine favour: and that no poisonous root spring up, and spread a general infection among you.