Hebrews 2:1

Wherefore we ought to give the more heed to the things which we have heard, lest we perish.

Proverbs 3:21

My son, let not these things depart from thine eyes, but keep my law and my counsel:

Deuteronomy 4:9

Take heed to thyself therefore only and keep thy soul diligently, that thou forget not the things which thine eyes have seen, and that they depart not out of thine heart, all the days of thine life: but teach them thy sons, and thy son's sons.

Deuteronomy 4:23

Take heed unto yourselves therefore, that ye forget not the covenant of the LORD your God which he made with you, and that ye make you no graven image of whatsoever it be that the LORD thy God hath forbidden thee.

Deuteronomy 32:46-47

then he said unto them, "Set your hearts unto all the words which I testify unto you this day: that ye command them unto your children, to observe and do all the words of this law.

Joshua 23:11-12

Take good heed therefore unto your souls, that ye love the LORD your God.

1 Chronicles 22:13

For then thou shalt prosper: If thou shalt be diligent to do the ordinances and laws which the LORD charged Moses with, to deliver to Israel. Pluck up thine heart and be strong, dread not, nor be discouraged.

Psalm 119:9

{Beth} Wherewithal shall a young man cleanse his way? Even by ruling himself after thy word.

Proverbs 2:1-6

My son, if thou wilt receive my words, and keep my commandments by thee,

Proverbs 4:1-4

Hear, O ye children, the fatherly exhortation, and take good heed, that ye may learn wisdom.

Proverbs 4:20-22

My son, mark my words, and incline thine ear unto my sayings.

Proverbs 7:1-2

My son, keep my words, and lay up my commandments by thee.

Matthew 16:9

Do ye not yet perceive, neither remember those five loaves, when there were five thousand men, and how many baskets took ye up?

Mark 8:18

Have ye eyes and see not? And have ye ears and hear not? Do ye not remember?

Luke 8:15

That in the good ground, are they which with a good and pure heart, hear the word, and keep it, and bring forth fruit with patience.

Luke 9:44

"Let these sayings sink down into your ears. The time will come, when the son of man shall be delivered into the hands of men."

Hebrews 1:1-2

God, in time past, diversely and many ways, spake unto the fathers by prophets:

Hebrews 2:2-4

For if the word which was spoken by angels was steadfast - so that every transgression and disobedience received a just recompense to reward -

Hebrews 12:5

And ye have forgotten the consolation which speaketh unto you, as unto children, "My son despise not the chastening of the Lord, neither faint when thou art rebuked of him:

Hebrews 12:25-26

See that ye despise not him that speaketh. For if they escaped not which refused him that spake on earth; Much more shall we not escape, if we turn away from him that speaketh from heaven:

2 Peter 1:12-13

Wherefore I will not be negligent to put you always in remembrance of such things, though that ye know them yourselves and be also established in the present truth.

2 Peter 1:15

I will enforce, therefore, that on every side ye might have wherewith to stir up the remembrance of these things after my departing.

2 Peter 3:1

This is the second epistle that I now write unto you, my dearly beloved, wherewith I stir up and warn your pure minds,

Habakkuk 1:6

For lo, I will raise up the Chaldeans, that bitter and swift people: which shall go as wide as the land is, to take possession of dwelling places that be not their own.

Habakkuk 2:16

Therefore with shame shalt thou be filled, instead of honour. Drink thou also, till thou slumber withal: for the cup of the LORD's righthand shall compass thee about, and shameful spewing instead of thy worship.

Treasury of Scripture Knowledge

Summary

Therefore we ought to give the more earnest heed to the things which we have heard, lest at any time we should let them slip.

Let them slip

Bible References

Therefore

Hebrews 2:2
For if the word which was spoken by angels was steadfast - so that every transgression and disobedience received a just recompense to reward -
Hebrews 1:1
God, in time past, diversely and many ways, spake unto the fathers by prophets:
Hebrews 12:25
See that ye despise not him that speaketh. For if they escaped not which refused him that spake on earth; Much more shall we not escape, if we turn away from him that speaketh from heaven:

The more

Deuteronomy 4:9
Take heed to thyself therefore only and keep thy soul diligently, that thou forget not the things which thine eyes have seen, and that they depart not out of thine heart, all the days of thine life: but teach them thy sons, and thy son's sons.
Deuteronomy 32:46
then he said unto them, "Set your hearts unto all the words which I testify unto you this day: that ye command them unto your children, to observe and do all the words of this law.
Joshua 23:11
Take good heed therefore unto your souls, that ye love the LORD your God.
1 Chronicles 22:13
For then thou shalt prosper: If thou shalt be diligent to do the ordinances and laws which the LORD charged Moses with, to deliver to Israel. Pluck up thine heart and be strong, dread not, nor be discouraged.
Psalm 119:9
{Beth} Wherewithal shall a young man cleanse his way? Even by ruling himself after thy word.
Proverbs 2:1
My son, if thou wilt receive my words, and keep my commandments by thee,
Proverbs 3:21
My son, let not these things depart from thine eyes, but keep my law and my counsel:
Proverbs 4:1
Hear, O ye children, the fatherly exhortation, and take good heed, that ye may learn wisdom.
Proverbs 7:1
My son, keep my words, and lay up my commandments by thee.
Luke 8:15
That in the good ground, are they which with a good and pure heart, hear the word, and keep it, and bring forth fruit with patience.
Luke 9:44
"Let these sayings sink down into your ears. The time will come, when the son of man shall be delivered into the hands of men."

We should

Hebrews 12:5
And ye have forgotten the consolation which speaketh unto you, as unto children, "My son despise not the chastening of the Lord, neither faint when thou art rebuked of him:
Matthew 16:9
Do ye not yet perceive, neither remember those five loaves, when there were five thousand men, and how many baskets took ye up?
Mark 8:18
Have ye eyes and see not? And have ye ears and hear not? Do ye not remember?
2 Peter 1:12
Wherefore I will not be negligent to put you always in remembrance of such things, though that ye know them yourselves and be also established in the present truth.
2 Peter 3:1
This is the second epistle that I now write unto you, my dearly beloved, wherewith I stir up and warn your pure minds,

Let them slip

Habakkuk 1:6
For lo, I will raise up the Chaldeans, that bitter and swift people: which shall go as wide as the land is, to take possession of dwelling places that be not their own.
Habakkuk 2:16
Therefore with shame shalt thou be filled, instead of honour. Drink thou also, till thou slumber withal: for the cup of the LORD's righthand shall compass thee about, and shameful spewing instead of thy worship.

General references

Exodus 16:32
And Moses said, "This is that which the LORD commandeth: fill a gomer of it, that it may be kept for your children after you: that they may see the bread wherewith he fed you in wilderness, when he had brought you out of the land of Egypt.
Deuteronomy 6:8
And thou shalt bind them for a sign upon thine hand. And they shall be papers of remembrance between thine eyes,
Deuteronomy 16:9
Then reckon the seven weeks, and begin to reckon the seven weeks when the sickle beginneth in the corn,
Deuteronomy 32:46
then he said unto them, "Set your hearts unto all the words which I testify unto you this day: that ye command them unto your children, to observe and do all the words of this law.