2 Peter 1:20
Above all, [you should realize] that no prophecy of Scripture originates from a person's own initiative [Note: This passage is discussing the source of Scripture, not the understanding of it].
2 Peter 3:3
First of all, you should understand that, in the final days, mockers with evil desires will come [to you] saying, mockingly,
Romans 12:6
And we [all] have different gifts, in harmony with the unearned favor [God has] shown us. If our gift is the ability to prophesy [i.e., to speak for God], we should make use of this gift in harmony with the amount of faith we have.
Romans 6:6
We know that our old self was [figuratively] crucified with Christ, in order that the body of sin [i.e., our whole life of sin] might be destroyed [i.e., become powerless to control our actions and thoughts], so that we should not be enslaved to the practice of sin any longer.
Romans 13:11
Now this [is another reason for observing the law of love]: You should know that it is about time to wake up out of your [spiritual] sleep, because [the day of our final] salvation is now nearer to us than when we first believed [in Christ].
1 Timothy 1:9
We [also] know this: Law [or, "the law of Moses"] is not intended for a righteous person, but for lawbreakers and rebels, for ungodly people and sinners, for unholy and irreverent people, for people who kill their parents, for murderers,
James 1:3
because you [should] know that when your faith is tested, it produces perseverance.