Facts are stubborn things. 事實是不容改變的東西。

　　Failure is the mother of success. 失敗是成功之母。

　　Faint heart never wins fair lady.

　　Fair and softly go far in a day. 謙和穩重，前程遠大。

　　Fair faces need no paint. 貌美毋須修飾。

　　Faith will move mountains. 精誠所至，金石為開。

　　Fall sick and you will see who is your friend and who is not. 困難見友情。

　　False friends are worse than open enemies. 明槍易躲，暗箭難防。

　　False tongue will hardly speak truth. 虛偽者不肯說真話。

　　False with one can be false with two. 對一個人虛偽，也會對兩個人虛偽。

　　Fame is a magnifying glass. 名譽是放大鏡。

　　Fame like a river is narrowest at its source and broadest afar off. 名譽像條河，源頭最狹窄，遠處最寬闊。

　　Familiar paths and old friends are the best. 熟路好遵循，老友最可珍。

　　Far from eye, far from heart. 離遠而情疏。

　　Fast bind, fast find. 保存得好，東西好找。

　　Fasting comes after feasting. 今日有酒今日醉，明日無錢不揭鍋。

　　Fat hens lay few eggs. 肥雞不下蛋。

　　Faults are thick where love is thin. 一朝情意淡，樣樣不順眼。

　　Fear is often greater than the danger. 杞人憂天。

　　Fear not the future; weep not for the past. 不要為未來擔憂，不要為過去悲泣。

　　Feed a cold and starve a fever. 傷風時宜吃，發熱時宜餓。