Isaiah 5:28 Midrash

אֲשֶׁ֤ר חִצָּיו֙ שְׁנוּנִ֔ים וְכָל־קַשְּׁתֹתָ֖יו דְּרֻכ֑וֹת פַּרְס֤וֹת סוּסָיו֙ כַּצַּ֣ר נֶחְשָׁ֔בוּ וְגַלְגִּלָּ֖יו כַּסּוּפָֽה׃

Whose arrows are sharp, And all their bows bent; Their horses’hoofs shall be counted like flint, And their wheels like a whirlwind;