Ideal division of life, [412]

Ideas, association of, [168]
— ratio of narrowness, [241]

Idleness, hours of, [198]
— value of, [458]

Illusions, popular, concerning languages, [151]

Immorality of intellectual people, [99]

Inapplicability of past experience, [256]

Incompatibility, fashionable and intellectual life, [394]

Incongruous associations, [170]

Indirect uses of study, [131]

Indolent men who like to be hurried, [207]