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
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congruous with our powers, 82. But these differ from man to
man, 88. Faith is one of them, 90. Inseparable from doubt, 95.
May verify itself, 96. Its rôle in ethics, 98. Optimism and
pessimism, 101. Is this a moral universe?--what does the problem
mean? 103. Anaesthesia _versus_ energy, 107. Active assumption
necessary, 107. Conclusion, 110.