Nietzsche's 'NEVER' is a phrase from the philosopher Friedrich Nietzsche, which is often used to describe his philosophy of life. The three-letter acronym NIE stands for Nietzsche's 'NEVER, ' which is a call to live life without fear and to embrace the unknown. Nietzsche believed that life should be lived with courage and passion, and that one should NEVER be afraid to take risks or to explore new ideas. He argued that life should be lived with a sense of adventure and that one should NEVER be afraid to challenge the status quo. In short, Nietzsche's 'NEVER' is a call to live life to its fullest potential.