אֵין הַשּׁוֹאֵל רַשַּׁאי לְהַשְׁאִיל וְאֵין הַשּׂוֹכֵר רַשַּׁאי לְהַשְׂכִּיר

ביטוי (אנגלית)

The borrower may not lend, and the renter may not rent out

הגדרה (אנגלית)

One who has received an item as a loan or for rent for their own use may not lend or rent it to another on their own authority.

("Resh Lakish said, here Rabbi taught: The borrower may not lend, and the renter may not rent out. Rabbi Yochanan said to him: Even the schoolchildren know this." - Gittin 29a)