King James Version (KJV)
Wherewithal shall a young man cleanse his way? by taking heed thereto according to thy word.
Modern English
How can a young man keep his way pure? By guarding it according to your word.
Hebrew
בַּמֶּ֣ה יְזַכֶּה נַּ֭עַר אֶת אָרְח֑וֹ לִ֝שְׁמֹ֗ר כִּדְבָרֶֽךָ׃
bameh yzakeh naʿar ʾet ʾarḥvo lishmor kidbareka