Matthew 24:35

Earth and sky will pass away, but it is certain that my words will not pass away.

2 Peter 3:10-13

The day of the Lord will come like a thief--it will be a day on which the heavens will pass away with a rushing noise, the elements be destroyed in the fierce heat, and the earth and all the works of man be utterly burnt up.

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
Earth and sky will pass away, but it is certain that my words will not pass away.
2 Peter 3:10
The day of the Lord will come like a thief--it will be a day on which the heavens will pass away with a rushing noise, the elements be destroyed in the fierce heat, and the earth and all the works of man be utterly burnt up.