Passage
`I am the vine, ye the branches; he who is remaining in me, and I in him, this one doth bear much fruit, because apart from me ye are not able to do anything;
`I am the vine, ye the branches; he who is remaining in me, and I in him, this one doth bear much fruit, because apart from me ye are not able to do anything;
John 15:3 already ye are clean, because of the word that I have spoken to you;
John 15:4 remain in me, and I in you, as the branch is not able to bear fruit of itself, if it may not remain in the vine, so neither ye, if ye may not remain in me.
John 15:5 `I am the vine, ye the branches; he who is remaining in me, and I in him, this one doth bear much fruit, because apart from me ye are not able to do anything;
John 15:6 if any one may not remain in me, he was cast forth without as the branch, and was withered, and they gather them, and cast to fire, and they are burned;
John 15:7 if ye may remain in me, and my sayings in you may remain, whatever ye may wish ye shall ask, and it shall be done to you.
The verse centers on "vine", "branches", "remaining", "doth", "bear", "much", "fruit", and "apart". It is saying that the verse draws attention to "vine" and "branches", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 4's "remain in me and I in you..." into verse 6's "if any one may not remain in...", so "vine" and "branches" belong inside that flow. In John context, the local focus is the identity of Jesus, new birth, eternal life, and belief and unbelief.
A plain takeaway is to answer the verse's own emphasis on "vine" and "branches" with trust shaped by these words, not by a vague optimism outside the passage.