כַּאֲשֶׁ֨ר אֵֽינְךָ֤ יוֹדֵ֙עַ֙ מַה־דֶּ֣רֶךְ הָר֔וּחַ כַּעֲצָמִ֖ים בְּבֶ֣טֶן הַמְּלֵאָ֑ה כָּ֗כָה לֹ֤א תֵדַע֙ אֶת־מַעֲשֵׂ֣ה הָֽאֱלֹהִ֔ים אֲשֶׁ֥ר יַעֲשֶׂ֖ה אֶת־הַכֹּֽל׃
As thou knowest not what is the way of the wind, Nor how the bones do grow in the womb of her that is with child; Even so thou knowest not the work of God Who doeth all things.
Find Mishnaic references to Ecclesiastes 11:5: , passages from the 63 tractates of the Mishnah.