ה֛וֹי הַמַּעֲמִיקִ֥ים מֵֽיהוָ֖ה לַסְתִּ֣ר עֵצָ֑ה וְהָיָ֤ה בְמַחְשָׁךְ֙ מַֽעֲשֵׂיהֶ֔ם וַיֹּ֣אמְר֔וּ מִ֥י רֹאֵ֖נוּ וּמִ֥י יוֹדְעֵֽנוּ׃
Woe unto them that seek deep to hide their counsel from the LORD, and their works are in the dark, and they say: ‘Who seeth us? and who knoweth us?’
Zohar
"And Noah went in, and his sons and his wife and his son's wives with him" (Gen. 7:7). Rabbi Chiya opened the discussion with the verse, "Can anyone hide himself in secret places that I shall not see him? says Hashem" (Jer. 23:24). How blind and obtuse are the people who neither seek nor know the honor of their Master, of whom it is written: "Do not I fill heaven and earth?" (Ibid.). How do people expect to hide from their sins? They ask, "Who sees us? And who knows us?" (Isaiah 24:15). And also, "They toil in the dark" (Ibid.). Where can they hide from Him?