Words are impermanent without faith, deeds are impermanent with faith, but interests are everything. If so, it can be described as a villain-Xunzi.

Believing in the land of five elements, there is no location and no fame. Water and Jin Mu are alive. -Zhu

If someone is lonely, loyalty is clothes, and trust is clothes. -Lu Zhaoxi

Idioms;

One word is more valuable than nine tripods-a person's words carry a lot of weight.

keep faith

Commitments must be fulfilled and actions must be firm; One should match words with deeds.

Win the trust of the people

Build credibility among others

Swear sincerely and seriously

keep faith

Say certain promises and do things that must be done.

deliver the goods

one's words match his deeds

A promise to be kept.

A gentelman's word is irretrievable

Insist sincerely

As long as you do it with your heart and sincerity, any problem can be solved.

Extremely sincere to others

Faith can move mountains

Restrain evil thoughts and remain honest.

Writing should show the author's true intention.