To think much/ to make secret plans
Think often. Consult many in a matter. Think well. Or: Make a secret plan.
("And Rabban Imri said: They took counsel that the Holy One, Blessed be He, would not punish them with water, because they knew that the Holy One, Blessed be He, would not punish them except with measure for measure, and they were certain that no one would come to them from the world, so they decreed to bury them in water, and the whole house would live" - Shemot Rava (Vilna) Parashat Shemot Parshat A)
Translation
Expression (Hebrew)
הֶעֱמִיק עֵצָה
Definition (Hebrew)
הַרְבֵּה לַחֲשֹׁב. הִתְיַעֵץ רַבּוֹת בַּדָּבָר. חָשַׁב טוֹב. אוֹ: עָרַךְ תָּכְנִית סוֹדִית.
("וְרַבָּנָן אִמְרִי: הֶעֱמִיקוּ עֵצָה שֶׁלֹּא יִפְרַע הקב"ה מֵהֶן בַּמַּיִם, לְפִי שֶׁהָיוּ יוֹדְעִין שֶׁאֵין הקב"ה מְשַׁלֵּם אֶלָּא מִדָּה כְּנֶגֶד מִדָּה, וְהָיוּ בְּטוּחִים שֶׁלֹּא יָבִיא מַבּוּל לָעוֹלָם, כָּךְ גָּזְרוּ לְהַטְבִּיעָם בַּמַּיִם, וְכָל הַבַּת תִּחְיוּן"- שְׁמוֹת רַבָּה (וִילְנָא) פָּרָשַׁת שְׁמוֹת פָּרָשָׁה א)