One should respect public opinion insofar as is necessary to avoid starvation and keep out of prison, but anything that goes beyond this is voluntary submission to an unnecessary tyranny.
Kill a man, and you are an assassin. Kill millions of men, and you are a conqueror. Kill everyone, and you are a God.
Forgiveness, that noblest of all self-denial, is a virtue which he alone who can practise in himself can willingly believe in another.