He who builds his home from the wealth of others is collecting stones to erect his grave.
A person who prospers at another’s expense will inevitably fail.
("He who builds his home from the wealth of others is collecting stones to erect his grave" – Ben Sira 21:9.)
Translation
Expression (Hebrew)
בּוֹנֶה בֵּיתוֹ בְּהוֹן אֲחֵרִים- כּוֹנֵס אֲבָנִים לְהָקִים קִבְרוֹ
Definition (Hebrew)
סוֹפוֹ שֶׁל מִי שֶׁמִּתְעַשֵּׁר עַל חֶשְׁבּוֹן כַּסְפֵּי הַזּוּלָת לִפֹּל וּלְהִכָּשֵׁל.
("בּוֹנֶה בֵּיתוֹ בְּהוֹן אֲחֵרִים כּוֹנֵס אֲבָנִים לְהָקִים קִבְרוֹ" – בֶּן סִירָא כא, ט).