Reference for Nehemiah 4:5

וַיֹּאמְר֣וּ צָרֵ֗ינוּ לֹ֤א יֵדְעוּ֙ וְלֹ֣א יִרְא֔וּ עַ֛ד אֲשֶׁר־נָב֥וֹא אֶל־תּוֹכָ֖ם וַהֲרַגְנ֑וּם וְהִשְׁבַּ֖תְנוּ אֶת־הַמְּלָאכָֽה׃

And our adversaries said: ‘They shall not know, neither see, till we come into the midst of them, and slay them, and cause the work to cease.’