2 Peter 2:5; 2 Peter 3:7

2 Peter 2:5

5 if he did not spare the ancient world when he brought the flood on its ungodly people, but protected Noah, a preacher of righteousness, and seven others;

2 Peter 3:7

7 By the same word the present heavens and earth are reserved for fire, being kept for the day of judgment and destruction of the ungodly.