King James Version (KJV)
To give subtilty to the simple, to the young man knowledge and discretion.
Modern English
to give prudence to the simple, knowledge and discretion to the youth—
Hebrew
לָתֵ֣ת לִפְתָאיִ֣ם עָרְמָ֑ה לְ֝נַ֗עַר דַּ֣עַת וּמְזִמָּֽה׃
latet liptaʾyim ʿarmah lnaʿar daʿat vmzimah