Foliis tantum ne carmina manda; / Ne turbata volent rapidis ludibria ventis—Only commit not thy oracles to leaves, lest they fly about dispersed, the sport of rushing winds. Virg.
Folk canna help a' their kin (relatives). Sc. Pr. 5
Folk wi' lang noses aye tak' till themsels. Sc. Pr.
Folks as have no mind to be o' use have always the luck to be out o' the road when there's anything to be done. George Eliot.
Folks must put up with their own kin as they put up with their own noses. George Eliot.
Folle est la brébis qui au loup se confesse—It is a silly sheep that makes the wolf her confessor. Fr. Pr.
Follow love and it will flee, flee love and it 10 will follow thee. Pr.
Follow the copy though it fly out of the window. Printer's saying.
Follow the customs or fly the country. Dan. Pr.
Follow the devil faithfully, you are sure to go to the devil. Carlyle.