Passage
and he who is entering through the door is shepherd of the sheep;
and he who is entering through the door is shepherd of the sheep;
John 10:1 `Verily, verily, I say to you, He who is not entering through the door to the fold of the sheep, but is going up from another side, that one is a thief and a robber;
John 10:2 and he who is entering through the door is shepherd of the sheep;
John 10:3 to this one the doorkeeper doth open, and the sheep hear his voice, and his own sheep he doth call by name, and doth lead them forth;
John 10:4 and when his own sheep he may put forth, before them he goeth on, and the sheep follow him, because they have known his voice;
The verse centers on "sheep", "entering", "through", "door", and "shepherd". It is saying that the verse draws attention to "sheep" and "entering", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 1's "Verily verily I say to you He..." into verse 3's "to this one the doorkeeper doth open...", so "sheep" and "entering" 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 "sheep" and "entering" with trust shaped by these words, not by a vague optimism outside the passage.