In the essential beliefs – We have unity.
“There is one body, and one Spirit, even as ye are called in one hope of your calling;
One Lord, one faith, one baptism, One God and Father of all, who is above all, and through all,
and in you all….” (Ephesians 4:4-6)
 
In the non-essential beliefs – We have liberty.
“Him that is weak in the faith receive ye, but not to doubtful disputations…
Who art thou that judgest another man’s servant? To his own master he standeth or falleth.
Yea, he shall be holden up; for God is able to make him stand…
So then every one of us shall give account of himself to God…
Hast thou faith? Have it to thyself before God. Happy is he that condemneth not himself in that thing which he alloweth”
(Romans 14:1, 4, 12, 22)
 
In all our beliefs – We show charity.
“And though I have the gift of prophecy, and understand all mysteries, and all knowledge;
and though I have all faith, so that I could remove mountains, and have not charity, I am nothing.”
(1 Corinthians 13:2)