וַיִּגַּ֥שׁ הַפְּלִשְׁתִּ֖י הַשְׁכֵּ֣ם וְהַעֲרֵ֑ב וַיִּתְיַצֵּ֖ב אַרְבָּעִ֥ים יֽוֹם׃ (פ)
Orang Filistin itu maju mendekat setiap pagi dan petang, dan berdiri menantang selama empat puluh hari.
Rashi
Morning and evening. Our Rabbis said, to prevent them from reciting 'shema.'9See Maseches Sotah 42b.