Hebrews 12:26

Then his voice shook the earth, but now the assurance is, once again I will make heaven as well as earth to quake.

Hebrews 12:27

That phrase, once again, denotes the removal of what is shaken (as no more than created), to leave only what stands unshaken.

Treasury of Scripture Knowledge

Summary

Whose voice then shook the earth: but now he hath promised, saying, Yet once more I shake not the earth only, but also heaven.

Yet once

General references

Bible References

Yet once

Hebrews 12:27
That phrase, once again, denotes the removal of what is shaken (as no more than created), to leave only what stands unshaken.

General references

Luke 14:24
For I tell you that not one of those who were invited shall taste my supper.'"