Proverbs 11 verses 24-26
One man gives freely, yet gains even more;
another withholds unduly, but comes to poverty.
A generous man will prosper;
he who refreshes others will himself be refreshed.
People curse the man who hoards grain,
but blessing crowns him who is willing to sell.
See also Deut 15 v 8, Ps 37 v 26, Ps 112 v 5, and Mtt 5 v 42 for more Scriptures encouraging generosity and lending.