מֵ֭פֵר מַחְשְׁב֣וֹת עֲרוּמִ֑ים וְֽלֹא־תַעֲשֶׂ֥ינָה יְ֝דֵיהֶ֗ם תּוּשִׁיָּֽה׃
He frustrateth the devices of the crafty, So that their hands can perform nothing substantial.
Read halakhic rulings (Jewish law) on Job 5:12: and classical halakhic sources.