Matthew 22:39

And the second is similar to it: 'Thou shalt love thy fellow man as much as thyself.'

Matthew 19:19

Honour thy father and thy mother'; and 'Thou shalt love thy fellow man as much as thyself.'"

Galatians 5:14

For the entire Law has been obeyed when you have kept the single precept, which says, "You are to love your fellow man equally with yourself."

Mark 12:31

"The second is this: 'Thou shalt love thy fellow man as thou lovest thyself.' "Other Commandment greater than these there is none."

Luke 10:27-37

"'Thou shalt love the Lord thy God,'" he replied, "'with thy whole heart, thy whole soul, thy whole strength, and thy whole mind; and thy fellow man as much as thyself.'"

Romans 13:9-10

For the precepts, "Thou shalt not commit adultery," "Thou shalt do no murder," "Thou shalt not steal," "Thou shalt not covet," and all other precepts, are summed up in this one command, "Thou shalt love thy fellow man as much as thou lovest thyself."

Romans 15:2

Let each of us endeavour to please his fellow Christian, aiming at a blessing calculated to build him up.

Galatians 6:10

So then, as we have opportunity, let us labour for the good of all, and especially of those who belong to the household of the faith.

James 2:8

If, however, you are keeping the Law as supreme, in obedience to the Commandment which says "You are to love your fellow man just as you love yourself," you are acting rightly.

Treasury of Scripture Knowledge

Summary

And the second is like unto it, Thou shalt love thy neighbour as thyself.

General references

Bible References

Neighbour

Luke 10:29
But he, desiring to justify himself, said, "But what is meant by my 'fellow man'?"
Romans 15:2
Let each of us endeavour to please his fellow Christian, aiming at a blessing calculated to build him up.
Galatians 6:10
So then, as we have opportunity, let us labour for the good of all, and especially of those who belong to the household of the faith.

General references

Luke 6:31
And behave to your fellow men just as you would have them behave to you.
1 John 4:21
And the command which we have from Him is that he who loves God must love his brother man also.