“What shall it profit a man to gain the whole world and lose his soul” is quoted at athletes, entrepreneurs, and enemies — but its context in Mark 8 is narrower, stranger, and more demanding.
A practical, grace-full approach to keeping sabbath in demanding seasons: smaller starts, boundaries that hold, and what to do with the sabbaths you break.
The saying appears in Mark 8:36 and Matthew 16:26, with a close parallel in Luke 9:25. Compare the wording, setting, and emphasis of all three passages.