יְבַקַּ֣ע צֻ֭רִים בַּמִּדְבָּ֑ר וַ֝יַּ֗שְׁקְ כִּתְהֹמ֥וֹת רַבָּֽה׃
He cleaved rocks in the wilderness, And gave them drink abundantly as out of the great deep.
Read kabbalistic (mystical) interpretation of Psalms 78:15: and classical mystical sources.