Philosopher Crossword 4th Period

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Across
  1. 4. All knowledge comes from experience and founded modern skepticism, morals come from feelings not just reason and logic
  2. 5. Father of Existentialism who struggled with anxiety and depression
  3. 7. Questioned objective truth and believed morals are human inventions
Down
  1. 1. Believed in peace and social harmony and respect for elders
  2. 2. Helped write the Declaration of Independence and Father of Liberalism
  3. 3. Father of modern philosophy emphasizing reason, doubt and mathematics, "I think therefore I am"
  4. 6. Started modern philosophy and believed morality was based on duty