Nehemiah 5:15

5:15 But the former governors who preceded me had burdened the people and had taken food and wine from them, in addition to forty shekels of silver. Their associates were also domineering over the people. But I did not behave in this way, due to my fear of God.

Nehemiah 10:31

10:31 We will not buy on the Sabbath or on a holy day from the neighboring peoples who bring their wares and all kinds of grain to sell on the Sabbath day. We will let the fields lie fallow every seventh year, and we will cancel every loan.