Quoting_commentary for Proverbs 5:9

פֶּן־תִּתֵּ֣ן לַאֲחֵרִ֣ים הוֹדֶ֑ךָ וּ֝שְׁנֹתֶ֗יךָ לְאַכְזָרִֽי׃

Lest thou give thy vigour unto others, And thy years unto the cruel;