"minds do not reach up to an exalted moral standard, but remain on a low level; they are constantly breathing the impure miasma of the lowlands of earth. 2T 258.3"
"Whose end is destruction, whose God is their belly, and whose glory is in their shame, who mind earthly things.)"
Both passages contrast a higher, more spiritual mindset with a focus on 'earthly things' or 'lowlands of earth.' The EGW passage uses the metaphor of 'impure miasma' to describe the negative influence of a low moral standard, which aligns with the idea of 'minding earthly things' in Philippians.