Christ, Himself, is the vine – the spring and source of life. We are the branches who have no existence apart from Him.
 

Believers are truly ONE with Christ. When one looks at a vineyard, he does not distinguish between vine and branches; they are one!
 

Those branches which are truly in Christ will surely bring forth fruit of love, joy, peace, grace, and mercy; for this is the nature of the vine, and His life, power and spirit produce such. "A good tree cannot bring forth evil fruit" (Matt. 7:17-18).