וּפָרָ֤ה וָדֹב֙ תִּרְעֶ֔ינָה יַחְדָּ֖ו יִרְבְּצ֣וּ יַלְדֵיהֶ֑ן וְאַרְיֵ֖ה כַּבָּקָ֥ר יֹֽאכַל־תֶּֽבֶן׃
And the cow and the bear feed; Their young ones shall lie down together; And the lion shall eat straw like the ox.
Read Kabbalistic (mystical) interpretations of Isaiah 11:7: Zohar and classical Jewish mystical sources, free online.