Matthew 22:39

And the second is like it: ‘Love your neighbor as yourself.’

Note Leviticus 19:18

BSB · Berean Standard Bible
And the second is like unto it, Thou shalt love thy neighbour as thyself.
KJV · King James Version
A second likewise is this, ‘You shall love your neighbor as yourself.’
WEB · World English Bible
And a second like unto it is this, Thou shalt love thy neighbor as thyself.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

Thou
Matthew 19:19; Leviticus 19:18; Mark 12:31; Luke 10:27, 28; Romans 13:9, 10; Galatians 5:14; James 2:8
neighbour
Luke 10:29–37; Romans 15:2; Galatians 6:10