Passage
If we let him thus alone, all men will believe on him: and the Romans shall come and take away both our place and nation.
If we let him thus alone, all men will believe on him: and the Romans shall come and take away both our place and nation.
John 11:46 But some of them went their ways to the Pharisees, and told them what things Jesus had done.
John 11:47 Then gathered the chief priests and the Pharisees a council, and said, What do we? for this man doeth many miracles.
John 11:48 If we let him thus alone, all men will believe on him: and the Romans shall come and take away both our place and nation.
John 11:49 And one of them, named Caiaphas, being the high priest that same year, said unto them, Ye know nothing at all,
John 11:50 Nor consider that it is expedient for us, that one man should die for the people, and that the whole nation perish not.
The verse centers on "thus", "alone", "believe", "romans", "shall", "come", "take", and "away". It is saying that the verse draws attention to "thus" and "alone", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 47's "Then gathered the chief priests and the..." into verse 49's "And one of them named Caiaphas being...", so "thus" and "alone" 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 "thus" and "alone" with trust shaped by these words, not by a vague optimism outside the passage.