What are the sentences that express a person's constant commitment?

Words are impermanent and faithless, actions are impermanent and trustworthy, but interests are everywhere. If they are, they can be described as villains.

People without faith don't know what they can do.

If you don't believe you, you will fail.

A man's treachery is not worthy of fame.

Half-truths are often a big lie.

If you want others to be honest, you must be honest with yourself first.

Without loyalty, one can't stand on the world.

From "Gu Liangchuan Xi Gong Twenty-two Years": "The reason why the words are said is that some people believe it; If you don't keep your word, how can you keep your word? " Keep your word but not your word.