1. What This Essay Aims At.- 2. The Reality Question, Science, or From Thales To Aristotle.- 3. Plato, or The Inebriant Answer to The Reality Question.- 4. Plotinus, Or The Meaning Of The Meaning Question.- 5. How Far Science Replaced Philosophy, or Descartes vs. Hobbes.- 6. Propositional Language and the Power Of Negation, Or Kant And The Scholastics.- 7. Morality, or Schopenhauer.- 8. Religion and Practical Metaphysics, or Kant, Feynman, and Hitler.- 9. Ideology, or Destutt de Tracy and Marx.- 10. Progress, or Weber.- 11. Applying Weber to Ideologies.- 12. Aesthetics, or Hegel.