Kabbalah zu Bereschit 7:11
בִּשְׁנַ֨ת שֵׁשׁ־מֵא֤וֹת שָׁנָה֙ לְחַיֵּי־נֹ֔חַ בַּחֹ֙דֶשׁ֙ הַשֵּׁנִ֔י בְּשִׁבְעָֽה־עָשָׂ֥ר י֖וֹם לַחֹ֑דֶשׁ בַּיּ֣וֹם הַזֶּ֗ה נִבְקְעוּ֙ כָּֽל־מַעְיְנֹת֙ תְּה֣וֹם רַבָּ֔ה וַאֲרֻבֹּ֥ת הַשָּׁמַ֖יִם נִפְתָּֽחוּ׃
Im sechshundertsten Lebensjahre Noahs, im zweiten Monat, am siebzehnten des Monats, an diesem Tage brachen alle Quellen des tiefen Abgrunds hervor, und die Schleusen des Himmels taten sich auf.
Zohar
In the 600th year of the sixth millennium the gates of wisdom above together will the wellsprings of wisdom below will open up and the world will prepare to usher in the seventh millennium. This is symbolized by one who begins preparations for ushering in the Sabbath on the afternoon of the sixth day. In the same way, toward the end of the sixth millennium, preparations are made for entering the seventh. The hint for this is “In the 600th year of Noah’s life ... all the wellsprings of the great deep burst forth and the flood gates of the heavens were opened.
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