People usually think according to their inclinations, speak according to their learning, but act according to custom.
It is impossible to suffer without making someone pay for it; every complaint already contains revenge.
Madness is rare in individuals - but in groups, parties, nations, and ages it is the rule.
Friedrich Nietzsche (1844 – 1900) was a German philosopher. His style and radical questioning of the value and objectivity of truth have resulted in much commentary and interpretation, mostly in the continental tradition. Nietzsche's influence remains substantial within and beyond philosophy, notably in existentialism, nihilism, and postmodernism.