Mark 12:29

"The chief Commandment," replied Jesus, "is this: 'Hear, O Israel! The Lord our God is one Lord;

Luke 10:27

"'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.'"

Matthew 10:37

Any one who loves father or mother more than me is not worthy of me, and any one who loves son or daughter more than me is not worthy of me;

Matthew 23:9

And call no one on earth your Father, for One alone is your Father--the Heavenly Father.

Mark 12:32-33

So the Scribe said to Him, "Rightly, in very truth, Rabbi, have you said that He stands alone, and there is none but He;

Romans 3:30

unless you can deny that it is one and the same God who will pronounce the circumcised to be acquitted on the ground of faith, and the uncircumcised to be acquitted through the same faith.

1 Corinthians 8:4

As to eating things which have been sacrificed to idols, we are fully aware that an idol is nothing in the world, and that there is no God but One.

Galatians 3:20

But there cannot be a mediator where only one individual is concerned.

1 Timothy 1:5

But the end sought to be secured by exhortation is the love which springs from a pure heart, a clear conscience and a sincere faith.

1 Timothy 2:5

For there is but one God and but one Mediator between God and men--Christ Jesus, Himself man;

James 2:19

You believe that God is one, and you are quite right: evil spirits also believe this, and shudder."

Jude 1:25

to the only God our Saviour--through Jesus Christ our Lord, be ascribed glory, majesty, might, and authority, as it was before all time, is now, and shall be to all the Ages! Amen.

Treasury of Scripture Knowledge

Summary

And Jesus answered him, The first of all the commandments is, Hear, O Israel; The Lord our God is one Lord:

General references

Bible References

Hear

Mark 12:32
So the Scribe said to Him, "Rightly, in very truth, Rabbi, have you said that He stands alone, and there is none but He;
Matthew 10:37
Any one who loves father or mother more than me is not worthy of me, and any one who loves son or daughter more than me is not worthy of me;
Luke 10:27
"'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.'"
1 Timothy 1:5
But the end sought to be secured by exhortation is the love which springs from a pure heart, a clear conscience and a sincere faith.

General references

Matthew 22:36
"Teacher, which is the greatest Commandment in the Law?"
James 2:19
You believe that God is one, and you are quite right: evil spirits also believe this, and shudder."
1 John 4:21
And the command which we have from Him is that he who loves God must love his brother man also.