Matthew 24:35

heaven and earth may fail, but my words shall never fail.

2 Peter 3:10-13

As for that day of the Lord, it will advance like a thief: then the heavens will rush with violence, the boiling elements will be dissolved, and the earth with all its contents, shall be burnt away.

Treasury of Scripture Knowledge

Summary

One generation passeth away, and another generation cometh: but the earth abideth for ever.

Bible References

But

Matthew 24:35
heaven and earth may fail, but my words shall never fail.
2 Peter 3:10
As for that day of the Lord, it will advance like a thief: then the heavens will rush with violence, the boiling elements will be dissolved, and the earth with all its contents, shall be burnt away.