Irvin Yalom, existential psychotherapist, thought it his primary duty to help his clients from being those who call themselves good because they have no claws. When you understand that ‘claws’ for him meant ‘power’ or ‘strength,’ the meaning of the statement becomes clear. Yalom was drawing on Nietzsche’s distinction between ‘master morality’ and ‘slave morality.’ For Nietzsche, the s...