“Convictions are prisons.”

“Every attainment, every step forward in knowledge, follows from courage, from hardness against oneself, from cleanliness in relation to oneself.”

“When man does not have firm, calm lines on the horizon of his life- mountain and forest lines, as it were- then a man's innermost will becomes agitated, preoccupied, and wistful.”

“The end of a melody is not its goal: but nonetheless, had the melody not reached its end it would not have reached its goal either. A parable.”

“Aquel que sepa el -porque- de la vida, casi siempre encontrara la forma de vivir el -como-”

“who have a why to live can bear any howکسی که چرایی در "زندگی" داردتحمل هر "چگونگی" را دارد”

“Ukuran sebuah masyarakat adalah seberapa baik masyarakat itu mengubah rasa sakit dan penderitaan menjadi sesuatu yang berguna.”