- Hypotheses and options, 1. Pascal's wager, 5. Clifford's veto, 8. Psychological causes of belief, 9. Thesis of the Essay, 11. Empiricism and absolutism, 12. Objective certitude and its unattainability, 13. Two different sorts of risks in believing, 17. Some risk unavoidable, 19. Faith may bring forth its own verification, 22. Logical conditions of religious belief, 25.
- Temperamental Optimism and Pessimism, 33. How reconcile with life one bent on suicide? 38. Religious melancholy and its cure, 39. Decay of Natural Theology, 43. Instinctive antidotes to pessimism, 46. Religion involves belief in an unseen extension of the world, 51. Scientific positivism, 52. Doubt actuates conduct as much as belief does, 54. To deny certain faiths is logically absurd, for they make their objects true, 56. Conclusion, 61.
- Rationality means fluent thinking, 63. Simplification, 65. Clearness, 66. Their antagonism, 66. Inadequacy of the abstract, 68. The thought of nonentity, 71. Mysticism, 74. Pure theory cannot banish wonder, 75. The passage to practice may restore the feeling of rationality, 75. Familiarity and expectancy, 76. 'Substance,' 80. A rational world must appear con-