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Come let us reason together.
Isa 1:18
Come now, and let us reason together, saith the LORD: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool.

Let us walk with one accord sayeth the Lord.
Psa 133:1
[[A Song of degrees of David.]] Behold, how good and how pleasant [it is] for brethren to dwell together in unity!

Let all division among the children of the Lord cease.
Pro 6:16-19
These six [things] doth the LORD hate: yea, seven [are] an abomination unto him:
A proud look, a lying tongue, and hands that shed innocent blood,
An heart that deviseth wicked imaginations, feet that be swift in running to mischief,
A false witness [that] speaketh lies, and he that soweth discord among brethren.

For we are all one in the Spirit, let us then walk in the Spirit and have love for one another.
1Cr 12:11
But all these worketh that one and the selfsame Spirit, dividing to every man severally as he will.
Gal 5:25
If we live in the Spirit, let us also walk in the Spirit.
Gal 5:13
For, brethren, ye have been called unto liberty; only [use] not liberty for an occasion to the flesh, but by love serve one another.

By this all men shall know we are true disciples of Christ by our love for one another.
Jhn 13:35
By this shall all [men] know that ye are my disciples, if ye have love one to another.

If a man says he knows the Lord and hates his brother, he walks in darkness and the light of Love is not yet perfected in him.
1Jo 2:9-10
He that saith he is in the light, and hateth his brother, is in darkness even until now.
He that loveth his brother abideth in the light, and there is none occasion of stumbling in him.
1Jo 2:5
But whoso keepeth his word, in him verily is the love of God perfected: hereby know we that we are in him.
1Jo 4:12
No man hath seen God at any time. If we love one another, God dwelleth in us, and his love is perfected in us.

Walk with Love and not hate.
Mic 6:8
He hath shewed thee, O man, what [is] good; and what doth the LORD require of thee, but to do justly, and to love mercy, and to walk humbly with thy God?
Eph 4:31
Let all bitterness, and wrath, and anger, and clamour, and evil speaking, be put away from you, with all malice:

Love one another even as the Lord your Master loved you and gave His Life for you.
Jhn 15:12-14
This is my commandment, That ye love one another, as I have loved you.
Greater love hath no man than this, that a man lay down his life for his friends.
Ye are my friends, if ye do whatsoever I command you.

Did He die in vain?
Hbr 6:4-6
For [it is] impossible for those who were once enlightened, and have tasted of the heavenly gift, and were made partakers of the Holy Ghost,
And have tasted the good word of God, and the powers of the world to come,
If they shall fall away, to renew them again unto repentance; seeing they crucify to themselves the Son of God afresh, and put [him] to an open shame.