The Gospel reading at Mass came from Luke 10. Jesus used the Parable of the Good Samaritan to teach how we should love our neighbor. A man fell victim to robbers; they stripped and beat him and went off leaving him half-dead. A priest and a Levite both passed by, saw him, and did nothing. But a Samaritan traveler came upon him and was moved with compassion at the sight. He poured oil and wine over his wounds and bandaged them. Then he took him to an inn, and cared for him. The next day he took out two silver coins and gave them to the innkeeper with the instruction, "Take care of him. If you spend more than what I have given you, I shall repay you on my way back." It's clear that of the three, the Samaritan is the one being neighborly to the robbers' victim.
Therefore, we are to give our all in loving ~ to do everything within our power and reach. So many times we have the chance to help someone, but we never really put our heart into it. Jesus' commandment You shall love your neighbor as yourself demands going all out because loving your neighbor is loving the Lord, our God.