Facts speak louder than words and justice will prevail.

事实胜于雄辩，公道自在人心。

It is an eternal truth that facts speak louder than words.

用事实来说话是颠扑不破的真理.

Facts speak louder than words , and people have a sense of natural justice.

事实胜于雄辩, 公道自在人心.

If you believe facts speak louder than words, you had better learn to write details.

如果你相信事实胜于雄辩，你最好是学会写明细，好叫它读起来不像明细。