10 Give generously to them and do so without a grudging heart; then because of this the LORD your God will bless you in all your work and in everything you put your hand to.

Read Deuteronomy 15:10 Using Other Translations

Thou shalt surely give him, and thine heart shall not be grieved when thou givest unto him: because that for this thing the LORD thy God shall bless thee in all thy works, and in all that thou puttest thine hand unto.
You shall give to him freely, and your heart shall not be grudging when you give to him, because for this the LORD your God will bless you in all your work and in all that you undertake.
Give generously to the poor, not grudgingly, for the LORD your God will bless you in everything you do.