Passage
No man taketh it from me, but I lay it down of myself. I have power to lay it down, and I have power to take it again. This commandment have I received of my Father.
John 10:18 (KJV)
Nearby Context
John 10:16 And other sheep I have, which are not of this fold: them also I must bring, and they shall hear my voice; and there shall be one fold, and one shepherd.
John 10:17 Therefore doth my Father love me, because I lay down my life, that I might take it again.
John 10:18 No man taketh it from me, but I lay it down of myself. I have power to lay it down, and I have power to take it again. This commandment have I received of my Father.
John 10:19 There was a division therefore again among the Jews for these sayings.
John 10:20 And many of them said, He hath a devil, and is mad; why hear ye him?
Study Lenses
The verse centers on "taketh", "down", "myself", "power", and "again". It is saying that the verse draws attention to "taketh" and "down", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 17's "Therefore doth my Father love me because..." into verse 19's "There was a division therefore again among...", so "taketh" and "down" 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 "taketh" and "down" with trust shaped by these words, not by a vague optimism outside the passage.