Obedience, new value placed on it by monachism, ii. [185], [186], [269]
Obligation, nature of, i. 64, 65
Ockham, his opinion of the foundation of the moral law, i. 17, and note
Odin, his suicide, ii. [53]
O'Neale, Shane, his charity, ii. [96]
Opinion, influence of character on, i. 171, 172
Oracles, refuted and ridiculed by Cicero, i. 165.
Plutarch's defence of their bad poetry, 165, note.
Refusal of Cato and the Stoics to consult them, 165.
Ridiculed by the Roman wits, 166.