Here is a list of Bible verses on: subject.
For as we have many members in one body, and all members have not the same office:
So we, being many, are one body in Christ, and every one members one of another.
Be of the same mind one toward another. Mind not high things, but condescend to men of low estate. Be not wise in your own conceits.
With all lowliness and meekness, with longsuffering, forbearing one another in love;
Endeavouring to keep the unity of the Spirit in the bond of peace.
Behold, how good and how pleasant it is for brethren to dwell together in unity!
Finally, brethren, farewell. Be perfect, be of good comfort, be of one mind, live in peace; and the God of love and peace shall be with you.
Hatred stirreth up strifes: but love covereth all sins.
Wherefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath:
For the wrath of man worketh not the righteousness of God.
Finally, be ye all of one mind, having compassion one of another, love as brethren, be pitiful, be courteous:
Not rendering evil for evil, or railing for railing: but contrariwise blessing; knowing that ye are thereunto called, that ye should inherit a blessing.
Brethren, if a man be overtaken in a fault, ye which are spiritual, restore such an one in the spirit of meekness; considering thyself, lest thou also be tempted.
Forbearing one another, and forgiving one another, if any man have a quarrel against any: even as Christ forgave you, so also do ye.
And when ye stand praying, forgive, if ye have ought against any: that your Father also which is in heaven may forgive you your trespasses.
He that covereth a transgression seeketh love; but he that repeateth a matter separateth very friends.