Deuteronomy 15:13

And when thou sendest him out free from thee, thou shalt not let him go away empty:
— Deuteronomy 15:13, King James Version

In other translations

World English Bible (WEB)

When you let him go free from you, you shall not let him go empty:

American Standard Version (ASV)

And when thou lettest him go free from thee, thou shalt not let him go empty:

Young's Literal Translation (YLT)

And when thou dost send him away free from thee, thou dost not send him away empty;