Fact speak louder than words.

事实胜于雄辩。

Failure is the mother of success.

失败是成功之母。

A friend in need is a friend indeed.

患难见真情。

Where there is a will, there is a way.

有志者事竟成。

Actions speak louder than words.

行动胜于言语。

这些谚语在日常生活和工作中都非常有用，能够简洁而深刻地传达一些道理。