on reason, ii. 141;
on science, i. 83;
on sensual pleasure, iii. [349], [369];
his world of shadows, ii. 10;
on existence of soul, ii. 102;
his theism, ii. 98.
Pliny, iii. [378], [400], [451].
Plotinus, ii. 218, iii. [51], [54], [432].
Plouquet, i. 55.