מַה־שֶּֽׁהָיָה֙ ה֣וּא שֶׁיִּהְיֶ֔ה וּמַה־שֶׁנַּֽעֲשָׂ֔ה ה֖וּא שֶׁיֵּעָשֶׂ֑ה וְאֵ֥ין כָּל־חָדָ֖שׁ תַּ֥חַת הַשָּֽׁמֶשׁ׃
That which hath been is that which shall be, And that which hath been done is that which shall be done; And there is nothing new under the sun.
Find Mishnaic references to Ecclesiastes 1:9: , passages from the 63 tractates of the Mishnah.