Hebrews 2:5
"For unto the angels hath he not put in subjection the world to come, whereof we speak."
Cross References (ranked by relevance)
Revelation 11:15
And the seventh angel sounded; and there were great voices in heaven, saying, The kingdoms of this world are become the kingdoms of our Lord, and of his Christ; and he shall reign for ever and ever.
2 Peter 3:13
Nevertheless we, according to his promise, look for new heavens and a new earth, wherein dwelleth righteousness.
Hebrews 6:5
And have tasted the good word of God, and the powers of the world to come,