Passage
By this all will know that you are My disciples, if you have love for one another.”
John 13:35 (LSB)
Nearby Context
John 13:33 Little children, I am with you a little while longer. You will seek Me; and as I said to the Jews, now I also say to you, ‘Where I am going, you cannot come.’
John 13:34 A new commandment I give to you, that you love one another, even as I have loved you, that you also love one another.
John 13:35 By this all will know that you are My disciples, if you have love for one another.”
John 13:36 Simon Peter said to Him, “Lord, where are You going?” Jesus answered, “Where I go, you cannot follow Me now; but you will follow later.”
John 13:37 Peter said to Him, “Lord, why can I not follow You right now? I will lay down my life for You.”
Study Lenses
The verse centers on "disciples", "love", and "another". It is saying that the verse draws attention to "disciples" and "love", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 34's "A new commandment I give to you..." into verse 36's "Simon Peter said to Him Lord where...", so "disciples" and "love" 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 "disciples" and "love" with trust shaped by these words, not by a vague optimism outside the passage.