Complex sentence: In both Sartre and Nietzsche (and in Nikolai Berdyaev), the individual is called upon to create his or her own values, rather than rely on external, socially imposed codes of morality.
Split into simpler sentences: In both Sartre and Nietzsche (and in Nikolai Berdyaev), the individual is called upon to create his or her own values. Rather than rely on external, socially imposed codes of morality.