Does not know book
An ignoramus and uneducated person. Someone who does not know how to read.
("And the book is delivered to him who does not know the book, saying, 'Read this, please,' and he says, 'I do not know the book'" – Isaiah 29:12)
Translation
Expression (Hebrew)
אֵינוֹ יוֹדֵעַ סֵפֶר
Definition (Hebrew)
בּוּר וְעַם הָאָרֶץ. אָדָם שֶׁאֵינוֹ יוֹדֵעַ לִקְרֹא.
("וְנִתַּן הַסֵּפֶר עַל אֲשֶׁר לֹא יָדַע סֵפֶר לֵאמֹר קְרָא נָא זֶה וְאָמַר לֹא יָדַעְתִּי סֵפֶר"- יְשַׁעְיָהוּ כט יב)