You should owe nothing to anyone, except so as to love one another. For whoever loves his neighbor has fulfilled the law
Other versions
King James Version
Owe no man any thing, but to love one another: for he that loveth another hath fulfilled the law.English Standard Version
Owe no one anything, except to love each other, for the one who loves another has fulfilled the law.New International Version
Let no debt remain outstanding, except the continuing debt to love one another, for he who loves his fellowman has fulfilled the law.