Passage
And many came unto him; and they said, John indeed did no sign: but all things whatsoever John spake of this man were true.
And many came unto him; and they said, John indeed did no sign: but all things whatsoever John spake of this man were true.
John 10:39 They sought again to take him: and he went forth out of their hand.
John 10:40 And he went away again beyond the Jordan into the place where John was at the first baptizing; and there be abode.
John 10:41 And many came unto him; and they said, John indeed did no sign: but all things whatsoever John spake of this man were true.
John 10:42 And many believed on him there.
The verse centers on "all things", "came", "said", "john", "indeed", "sign", and "whatsoever". It is saying that the verse draws attention to "all things" and "came", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 40's "And he went away again beyond the..." into verse 42's "And many believed on him there...", so "all things" and "came" 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 "all things" and "came" with trust shaped by these words, not by a vague optimism outside the passage.