Thine heart shall not be grieved — That is, thou shalt give, not only with an open hand, but with a willing and chearful mind, without which thy very charity is uncharitable, and not accepted by God.
Related Commentaries of Deuteronomy 15:10
Deuteronomy 15:10
10 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.