The famous aphorisms describing "not being trustworthy" include

1. Credit is hard to come by and easy to lose. Credit that takes 10 years to accumulate is often lost due to temporary words and deeds. ——(Japan) Daisaku Ikeda

2. When you know, you know it, and when you don’t know, you don’t know it. Do not deceive yourself internally, and do not deceive yourself externally. ——If you know, say you know. If you don’t know, say you don’t know. Your words must be true both internally and externally, and do not deceive anyone.

3. When looking for treasures, no matter how expensive the taste is, we should not sacrifice material resources; if we want reputation in the lecture hall, no matter how complicated the preparation is, we should not save on labor. ——Beijing's "Tongrentang" values ??integrity

4. People who don't have faith don't know what to do. ——If a person has no credibility, I don’t know how he can survive in the world.

5. You must treat others with sincerity, and others will reciprocate with sincerity. ——Li Ka-shing

6. Words must be followed and actions must bear fruit. ——Refers to keeping one’s word when speaking and being decisive and thorough in doing things.