Flight is simplification or detachment of ecstasy, vi. 9.11 (9-[170]).

Fluctuation need not interfere with continuance, ii. 1.3 (40-[816]).

Flux, heaven though in, perpetuates itself by form, ii. 1.1 (40-[813]).

Flux of all beauties here below, vi. 7.31 (38-[751]).

Followers of the king are universal stars, ii. 3.13 (52-[1179]).

Foreign accretion is ugliness, i. 6.5 (1-[48]).

Foreign sources, derived from modification, i. 1.9 (53-[1202]).

Foreknowledge of physician like plans of Providence, iii. 3.5 (48-[1085]).

Foresight and reasoning are only figurative expressions, vi. 7.1 (38-[699]).

Foresight by God of misfortunes, not cause of senses in man, vi. 7.1 (38-[697]).