in heaven—in the celestial abode of immortal beings:
- This woman actually imagines that there will be no slaves in heaven.
in the skies —(also: in the clouds) not acting according to the realities of life; given to day-dreaming:
- He is a philosopher. His mind is always in the skies.
Note: The expression does not correlate in meaning with the phrase on cloud nine—(also: on cloud seven) extremely happy; in a euphoric state:
- He was finding it impossible to get any sense out of Rolf, who was on cloud nine—or at least in a world of his own—for the entire week.