Folk maun grow auld or dee.
Folk's dogs bark waur than themsels.
Folk should never ask for mair than they can make a good use o'.
Follow love and it will flee thee: flee love and it will follow thee.
Folly is a bonnie dog, but a bad ane.
Fools and bairns shouldna see half-dune wark.
Fools are aye fond o' flittin', and wise men o' sittin'.
Fools are aye fortunate.
Fools are aye seeing ferlies.
Fools are fain o' flattery.