We learn in the Bible about how the Jewish priests (the “kohanim”) would assist the people in bringing gifts of offerings so they could feel closer to God. Sometimes the offering was given just for the love of God, and sometimes it was given to show gratitude or repentance. In our lives, gifts have a similar, positive effect of bringing people closer together, and thus we are taught by our Sages that generally, a gift should not be given anonymously, but rather in a way that brings together the hearts of the giver and the recipient.