Adam Clarke's Commentary on the Bible - Hebrews 1:12
And they shall be changed - Not destroyed ultimately, or annihilated. They shall be changed and renewed. But thou art the same - These words can be said of no being but God; all others are changeable or perishable, because temporal; only that which is eternal can continue essentially, and, speaking after the manner of men, formally the same. Thy years shall not fail - There is in the Divine duration no circle to be run, no space to be measured, no time to be reckoned. All is... read more
Adam Clarke's Commentary on the Bible - Hebrews 1:11
They shall perish - Permanently fixed as they seem to be, a time shall come when they shall be dissolved, and afterward new heavens and a new earth be formed, in which righteousness alone shall dwell. See 2 Peter 3:10-13 . Shall wax old as doth a garment - As a garment by long using becomes unfit to be longer used, so shall all visible things; they shall wear old, and wear out; and hence the necessity of their being renewed. It is remarkable that our word world is a contraction of wear... read more