Passage
And he saith to them: Let us go into the neighbouring towns and cities, that I may preach there also; for to this purpose am I come.
And he saith to them: Let us go into the neighbouring towns and cities, that I may preach there also; for to this purpose am I come.
Mark 1:36 And Simon and they that were with him followed after him.
Mark 1:37 And when they had found him, they said to him: All seek for thee.
Mark 1:38 And he saith to them: Let us go into the neighbouring towns and cities, that I may preach there also; for to this purpose am I come.
Mark 1:39 And he was preaching in their synagogues and in all Galilee and casting out devils.
Mark 1:40 And there came a leper to him, beseeching him and kneeling down, said to him: If thou wilt thou canst make me clean.
The verse centers on "purpose", "saith", "neighbouring", "towns", "cities", "preach", and "come". It is saying that the verse draws attention to "purpose" and "saith", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 37's "And when they had found him they..." into verse 39's "And he was preaching in their synagogues...", so "purpose" and "saith" belong inside that flow. In Mark context, the local focus is Christ, faith, and discipleship.
A plain takeaway is to answer the verse's own emphasis on "purpose" and "saith" with trust shaped by these words, not by a vague optimism outside the passage.