Likewise, His words, “I shall surely crucify you upon the trunks of date-palms” (20:71); here the preposition “in” means on top of them, upon them.
He also says, “Do you feel secure from Him who is in heaven?”—then He breaks the sentence and continues, “that He will not cause the earth to swallow you” (67:16). He did not join the two clauses. There would be no purpose in separating them—ending with “Him who is in heaven” and then restarting the threat of the earth’s swallowing—except to make clear that He is upon His Throne, above the heaven.
The Exalted further states, “He directs the affair from the heaven to the earth; then it ascends to Him” (32:5), and, “The angels and the Spirit ascend to Him” (70:4). Thus He differentiates between the ascent of the affair and the ascent of the angels. He then describes the time of their upward rise to Him: “in a day whose measure is fifty thousand years” (70:4). He has therefore affirmed that their ascent is to Him, separating the phrase “to Him” just as someone might say, “Climb up to…"