"Assurance is contemptible and fatal unless it is self-knowledge." ― George Santayana Self-confidence From George Santayana Philosopher Added on 1/19/2025 About George Santayana George Santayana was a philosopher, essayist, and poet associated with American and European intellectual life. He is known for works including The Life of Reason and the aphorism about repeating history. Born: 1863-12-16 Died: 1952-09-25 View all quotes from George Santayana