To win the trust of others, you must do what you say, match your words with your deeds, and do what you say.

one's words match his deeds

A promise made by a gentleman is a promise that has never been made.

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.

In addition:

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.

It's a deal.

A promise is a promise.

Keep your promise.

A golden mouth and a jade word.

A word spoken is a word that must be honored.

A gentelman's word is irretrievable

It's hard to believe in a promise, and it's hard to believe in a promise (Lao Tzu)