Schir haSchirim 2:2 Kommentar: Rashi, Ezra ben Solomon & Tze'enah Ure'enah

As a rose among the thorns. Which prick it, but it constantly retains its beauty and its redness, “so is my beloved among the daughters.” They³The nations torment the Bnei Yisroel. entice her [i.e., Bnei Yisroel] to pursue them, to stray, as they do, after other gods, but she remains steadfast in her faith.⁴Alternatively, just as it is difficult to pick a rose from among the thorns, so too it is difficult to redeem the Bnei Yisroel from among the nations.

As a lily among the thorns: The lily is that plant known as the lida which possesses six leaves. Thus the shekhinah has six boundaries.

“Like a rose” [2:2]. Just as a rose is recognized in the midst of the thorns, so too are Israel in exile among the nations and they are recognized among the nations. ¹⁵Yalkut Shimoni, Song of Songs, Remez, 986.