כִּי֩ לְיָמִ֨ים ע֜וֹד שִׁבְעָ֗ה אָֽנֹכִי֙ מַמְטִ֣יר עַל־הָאָ֔רֶץ אַרְבָּעִ֣ים י֔וֹם וְאַרְבָּעִ֖ים לָ֑יְלָה וּמָחִ֗יתִי אֶֽת־כָּל־הַיְקוּם֙ אֲשֶׁ֣ר עָשִׂ֔יתִי מֵעַ֖ל פְּנֵ֥י הָֽאֲדָמָֽה׃
Sebab tujuh hari lagi Aku akan menurunkan hujan ke atas bumi empat puluh hari dan empat puluh malam, dan Aku akan menghapus dari muka tanah segala makhluk hidup yang telah Kujadikan.
The Midrash of Philo
Why did the rain of the deluge last forty days and an equal number of nights? (Genesis 7:4).
The Midrash of Philo
What is the meaning of the expression, "I will destroy every living substance that I have made form off the face of the earth?" (Genesis 7:4).