宁死不背理，宁贫不丧志：

Better die than be disobedient, poorer than lose heart.

吃人的嘴软，论人的理短：

Eating people's mouth is soft, but it's short.

水不激不跃，人不激不奋：

Water is not exciting, people are.

会走走不过影，会说说不过理：

A dog's eye sees a man low.

一次只做一件事，做到最好：

Do one thing at a time, and do well.

永远不要忘了说“谢谢”：

Never forget to say “thanks”.

你不能改变你的过去，但你可以让你的未来变得更美好：

You can't change your past, but you can make your future better.

一旦时间浪费了，生命就浪费了：

Once time is wasted, life is wasted.

一息若存，希望不灭：

While there is life there is hope.

我走得很慢，但是我从来不会后退：

I am a slow walker, but I never walk backwards.

永远不要低估你改变自我的能力：

Never underestimate your power to change yourself!

没有什么是不可能的：

Nothing is impossible!

自信是走向成功的第一步：

Confidence in yourself is the first step on the road to success.

水滴石穿，绳锯木断：

Constant dripping wears away a stone.

知足者常乐：

Content is better than riches.

勇敢的尝试是成功的一半：

A bold attempt is half success.

凡事必先难后易：

All things are difficult before they are easy.

迟做总比不做好：

Better late than never.

勤勉是幸运的右手，节约是幸运的左手：

Industry is fortune's right hand, and frugality her left.

活到老，学到老：

Live and learn.

岁月不等人：

Time and tide waits for no man.

书籍，像朋友，应该少而精：

Books, like friends, should be few.

天涯何处无芳草：

There is plenty of fish in the sea.

不鸣则已，一鸣惊人：

Judge not a book by its cover.

趁热打铁：

Strike while the iron is hot.

今日事今日毕：

Don't put off till tomorrow what should be done today.

忙乱易错，欲速则不达：

Haste makes waste.

失败是成功之母：

Diligence is the mother of success.

一箭双雕：

Kill two birds with one stone.

成为怎样的人：

Live a noble and honest life.

这些谚语涵盖了自信、坚持、希望、努力、时间管理等多个方面，适合在需要激励时引用。希望这些建议对你有所帮助。