Passage
For the life was manifested: and we have seen and do bear witness and declare unto you the life eternal, which was with the Father and hath appeared to us.
For the life was manifested: and we have seen and do bear witness and declare unto you the life eternal, which was with the Father and hath appeared to us.
1 John 1:1 That which was from the beginning, which we have heard, which we have seen with our eyes, which we have looked upon and our hands have handled, of the word of life.
1 John 1:2 For the life was manifested: and we have seen and do bear witness and declare unto you the life eternal, which was with the Father and hath appeared to us.
1 John 1:3 That which we have seen and have heard, we declare unto you: that you also may have fellowship with us and our fellowship may be with the Father and with his Son Jesus Christ.
1 John 1:4 And these things we write to you, that you may rejoice and your joy may be full.
The verse centers on "life", "manifested", "seen", "bear", "witness", "declare", and "eternal". It is saying that the verse draws attention to "life" and "manifested", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 1's "That which was from the beginning which..." into verse 3's "That which we have seen and have...", so "life" and "manifested" belong inside that flow. In 1 John context, the local focus is Christ, faith, and discipleship.
A plain takeaway is to answer the verse's own emphasis on "life" and "manifested" with trust shaped by these words, not by a vague optimism outside the passage.