Is the idea behind this saying the same as that found in Mark 8:35? "For whoever desires to save his life will lose it, but whoever loses his life for My sake and the gospel's will save it." Maybe the definition here of "waste" would be similar to "lose," as in to "use or give up," rather than "squander," one's life.
I think so; and perhaps the similar idea that losing one's life in this way may look, to the world, like wasting it.
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