“Oil and perfume make the heart glad, and the sweetness of a friend comes from his earnest counsel.” (Prov. 27:9 ESV)

How Good and pleasant it is

“Behold, how good and pleasant it is when brothers dwell in unity!” (Psalms 133:1 ESV)

A friend loves constantly 

“A friend loves at all times, and a brother is born for adversity.” (Prov. 17:17 ESV)

Thank God for them 

“I thank my God in all my remembrance of you, always in every prayer of mine for you all making my prayer with joy, because of your partnership in the gospel from the first day until now.” (Phil. 1:3-5 ESV)