it is this attitude to life that has led to our present existence, which was heralded long ago, namely "the war of all against all".

How would the previous sentence be correctly capitalized?
Answer: It is this attitude to life that has led to our present existence, which was heralded long ago, namely "the war of all against all".
they are artificial stimulants, and in the organism they may create an artificial hunger which, as it is artificial, cannot get a natural saturation, but continuously demand more and more without being satisfied.

How would the previous sentence be correctly capitalized?
Answer: They are artificial stimulants, and in the organism they may create an artificial hunger which, as it is artificial, cannot get a natural saturation, but continuously demand more and more without being satisfied.
energy efficiency first: fundamentally rethinking energy efficiency and treating it as an energy source in its own right so that it can compete on equal terms with generation capacity;

How would the previous sentence be correctly capitalized?
Answer: Energy efficiency first: fundamentally rethinking energy efficiency and treating it as an energy source in its own right so that it can compete on equal terms with generation capacity;
i really saw my own flesh at the conference.

How would the previous sentence be correctly capitalized?
Answer: I really saw my own flesh at the conference.