Hebrews 2:1
So [then], we [Christians] should pay closer attention to the things we have heard, so that we do not drift away from [believing and practicing] them.
Matthew 16:9
Do you not understand yet or remember that five thousand people [were fed] with five loaves of bread and how many baskets [of pieces] were picked up [afterward]?
Mark 8:18
Even though you have eyes, do you not see? And even though you have ears, do you not hear? And do you not remember?
Luke 8:15
And those people [represented by seed falling] in the fertile soil are those who possess a good and honest heart when they hear the word [of God]. They hold on to it and patiently [continue until they] produce a crop.
Luke 9:44
"Pay close attention to what I am saying, for the Son of man will be handed over to [evil] men."
Hebrews 1:1-2
In times past God spoke to our forefathers through the prophets in many parts and in various ways,
Hebrews 2:2-4
For if the message spoken through angels proved to be binding [Note: This is a reference to the law of Moses. See Acts 7:53; Gal. 3:19], and every violation [of it] and disobedience [to it] received a just penalty,
Hebrews 12:5
And have you forgotten the exhortation that was addressed to you as sons? [Prov. 3:11f says], "My son, do not take the discipline of the Lord lightly, and do not get discouraged when He rebukes you.
Hebrews 12:25-26
Pay careful attention so that you do not refuse [to hear] God when He speaks to you. [See verse 9]. For if those people [i.e., the Israelites] did not escape [judgment] when they refused [to hear] Him who warned them on earth [i.e., God speaking through Moses at Mount Sinai], how much less [likely] will we escape [judgment] if we reject Him who warns from heaven [i.e., Christ]?
2 Peter 1:12-13
Therefore, I intend to constantly remind you people about these things [i.e., those mentioned in verses 5-11], even though you [already] know them, and have been established in the truth you now possess.
2 Peter 1:15
And I will make every effort to see that, after I leave [i.e., die], you will always be able to recall the things [I said to you].
2 Peter 3:1
This is now, my dearly loved ones, the second letter I am writing to you; in both of them, as a reminder, I want to stir up your sincere thoughts