Romans 3:11
No one understands [everything]. No one looks to God [all the time].
Hebrews 2:3
how will we escape [punishment] if we neglect such a great salvation? [For it was] first announced [to people] by the Lord and then confirmed to us [i.e., the writer and other Christians] by those who heard Him [i.e., the original apostles].
Hebrews 10:38-39
And my [i.e., God's] righteous person will [obtain] life by [his] faith [in God]. But if he turns back [from me], my soul is not pleased with him."
2 Peter 2:18-22
[Although] their talk is big, what they say is worthless, and by [offering people] fleshly desires [i.e., sexual gratification], they lead people astray, who are barely escaping from the error of the world.