Rashi
Jewish
1040–1105
“Jerusalem recalls in her exile. the days of her poverty the days of her destruction, which brought her to poverty. and her miseries Heb. וּמְרוּדֶיהָ. This is an expression of pain, like (Jud. 11:37): “and I wailed (וְיָרַדְתִּי) upon the mountains”; (Ps. 55:3): “I lament (אָרִיד) in my speech, and I moan.” all her precious things And she remembered all the good of her precious things that were from days of old. gloating on her desolation Heb. מִשְּׁבַּתֶיהָ. They rejoiced over the cessation of her festivals, her New Moons, and her Sabbaths; and the Midrash Aggadah (Lam. Rabbah) interprets it as a different expression, that they rested in exile on the Sabbaths and festivals and observed the seventh year, and the heathens ridiculed them and said, “Fools! In your land you did not keep the Sabbatical Year, and now in exile you keep it? In your land, you did not keep the Sabbath, and now in exile you keep it?””