1. The oaths made by despicable people when they are in need are broken once they are able to get out of trouble. ——[Ancient Greece] Democritus: "Fragments of Works".

2. A person’s credit is directly proportional to the money in his cash box. ——[Ancient Rome] Jade Waina: "Anthology of Satirical Poems".

3. Trust can often be exchanged for loyalty. ——[British] Fuller: "Proverbs".

4. If you lose your trust in life, you will be like a zombie. ——[British] Herbert: "Selected Famous Foreign Proverbs".

5. Trust is an important atmosphere of friendship. As much as this atmosphere decreases, friendship will disappear accordingly. ——[British] Lu: "Meditations of a Vicar".