In Matthew 7:12, the same idea appears: the Golden Rule sums up the Law and the Prophets, reinforcing love as their foundation.

Romans 13:9 states that love for neighbor fulfills the law, directly echoing the second great commandment here.

James 2:8 calls the love command the 'royal law', directly affirming the second great commandment quoted here.

Leviticus 19:18 is the source of the love command Jesus quotes here—the second great commandment originates from the OT.

Romans 13:8 directly echoes Jesus' teaching: loving one another fulfills the law, making the same connection between love and law.

Romans 13:10 reinforces that love is the fulfilling of the law, providing an explicit Pauline restatement of Jesus' summary.

Galatians 5:14 quotes the Leviticus love command and declares the whole law is fulfilled in it, directly paralleling Jesus' conclusion.

1 John 4:19-21 ties love for God to love for others, mirroring the two great commandments combined here.

1 Timothy 1:5 declares love as the goal of the command, reinforcing the centrality of love in Christian ethics here.

1 John 4:7-11 grounds love in God's nature, expanding on the divine origin of the love command here.