Mao says that life exists due to contradictions and that once those contradictions cease, we die. But which are the contradictions which cause us to be alive? To me it is more cell cooperation than contradictions. I am not sure to which contradictions he is referring to.
negative and positive ionic forces at cell membranes
pH stuff in biology
oxidation/reduction
absorbtion/excretion
male and female
lots of them
I’ve always found this is one fascinating, as if to live at all is to perpetually play with fire, flirting with death. https://en.wikipedia.org/wiki/Redox
This turns out to be scientifically accurate: