פירוש על איכה 2:1

How can it be that…cast a gloom. Bring darkness,¹Alternatively, ‘has raised up to the clouds.’ (Ibn Ezra) as Scripture states, “the heavens had become darkened with clouds.”²I Melochim 18:45.

From heaven to earth. After He lifted them up to heaven, He cast them to earth all at once, and not gradually;³Otherwise Scripture should have stated לארץ, instead of ארץ, the latter expression indicates that it was done in one instant. (Sifsei Chachomim) from a lofty roof to a deep pit.

His footstool. His footstool, referring to the Beis Hamikdosh.⁴See Targum in Tehilim 99:5.