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.

惊涛骇浪，方显英雄本色：

The good seaman is known in bad weather.

留得青山在，不怕庄大道：

Where there is life, there is hope.

天无绝人之路：

Heaven never seals off all the exits.

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.

勤奋是成功之母：

Diligence is the mother of success.

趁热打铁：

Strike while the iron is hot.

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.

良好的开端是成功的一半：

Well begun is half done.

成功源于勤奋：

Industry is the parent of success.

熟能生巧：

Practice makes perfect.

滴水穿石：

Little stone fell great oaks.

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.

一箭双雕：

Kill two birds with one stone.

永远不要低估你改变自我的能力：

Never underestimate your power to change yourself!

这些谚语涵盖了勇气、坚持、自信、勤奋和希望等多个方面，适合在需要激励时引用。