Experience is sometimes dangerous.经验有时是危险的。

Experience is the best teacher.经验是良师.

Experience is the father of wisdom and memory the mother.经验是知识之父，记忆是知识之母.

Experience is the mother of wisdom.智慧来自经验.

Experience keeps a dear school, but fools learn in no other.吃亏学乖代价高，笨汉非此学不好.

Experience keeps no school, she teaches her pupils singly.亲身经验，才是经验.

Experience keeps no school; she teaches her pupils singly.只有亲身去取，才能得到经验。

Experience must be bought.若要得经验，必须化代价.

Experience teaches.经验给人教训.

Experience without learning¹ is better than learning without experience.有经验而无学问，胜于有学问而无经验.

Extremes are dangerous.物极必反.

Extremes meet.否极泰来.

Fact speak louder than words.事实胜于雄辩。

Facts are stubborn² things.事实是不容改变的东西.

Failure is the mother of success.失败是成功之母.

Fair and softly³ go far in a day.谦和稳重，前程远大.

Fair faces need no paint.貌美毋须修饰.

Faith will move mountain.精诚所至，金石为开。

Faith will move mountains.精诚所至，金石为开.

Fall sick and you will see who is your friend and who is not.困难见友情.

False friends are worse than bitter enemies.明枪易躲，暗箭难防。

False friends are worse than open enemies.明枪易躲，暗箭难防.

False tongue will hardly speak truth.虚伪者不肯说真话.

False with one can be false with two.对一个人虚伪，也会对两个人虚伪.

Fame is a magnifying⁴ glass.名誉是放大镜.

Fame like a river is narrowest at its source and broadest afar off.名誉像条河，源头最狭窄，远处最宽阔.

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