In that he saith, "a new covenant," he hath made the first old; but that which is becoming old, and worn out with age, is ready to vanish away.

For God did not place the coming inhabited world [Note: "The coming inhabited world" here probably refers to the present Christian age. It was viewed as "coming" from the perspective of Old Testament times], under the control of angels [and] that is the world we are talking about.