Passage
and he said to them, `Having gone to all the world, proclaim the good news to all the creation;
and he said to them, `Having gone to all the world, proclaim the good news to all the creation;
Mark 16:13 and they having gone, told to the rest; not even them did they believe.
Mark 16:14 Afterwards, as they are reclining (at meat), he was manifested to the eleven, and did reproach their unbelief and stiffness of heart, because they believed not those having seen him being raised;
Mark 16:15 and he said to them, `Having gone to all the world, proclaim the good news to all the creation;
Mark 16:16 he who hath believed, and hath been baptized, shall be saved; and he who hath not believed, shall be condemned.
Mark 16:17 `And signs shall accompany those believing these things; in my name demons they shall cast out; with new tongues they shall speak;
The verse centers on "world", "said", "having", "gone", "proclaim", "good", "news", and "creation". It is saying that the verse draws attention to "world" and "said", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 14's "Afterwards as they are reclining at meat..." into verse 16's "he who hath believed and hath been...", so "world" and "said" 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 "world" and "said" with trust shaped by these words, not by a vague optimism outside the passage.