A wise man's understanding is at his right hand; but a fool's understanding at his left.
Ecclesiastes Chapter 10, 2

לֵב חָכָים לִימִינוֹ, וְלֵב כְּסִיל לִשְׂמֹאלוֹ.
קֹהֶלֶת

Сердце мудрого у него вправо, а сердце глупого у него влево.
К О h Е Л Е Т