45、Fact speak louder than words.

　　事实胜于雄辩。

　　46、Failure is the mother of success.

　　失败是成功之母。

　　47、False friends are worse than bitter enemies.

　　明枪易躲，暗箭难防。

　　48、Far from eye, far from heart.

　　眼不见，心不烦。

　　49、Far water does not put out near fire.