Those who are sincere and unmoved have not yet existed; those who are not sincere have not yet moved (Mencius)

Those who are sincere are the way of heaven; those who are sincere are the way of man. Tao Ye. ("Mencius")

Nothing better than sincerity (Xunzi) to nourish the heart (Xunzi)

It is better to be cunning and deceitful than to be sincere (Han Feizi)

Live an upright and honest life The road must lead to a destination with a clear conscience. ——(Soviet) Gorky

Frankness is the product of honesty and bravery. ——(American) Mark Twain

To yourself Only by being truthful can you not deceive others. ——(English) Shakespeare

The most important thing in interpersonal relationships is sincerity, and it must come from the heart. Sincerity is an invincible sword in society. You should carry it with you wherever you go. ——(中) Sanmao

Honesty is better than all wisdom, and it is the basic condition for wisdom. ——(Germany) Kant

Those who have lost their trust are dead in this world. ——(English) Harbert

Keeping your promises is like defending your honor. ——(France) Balzac

Credit is both an intangible force and an intangible wealth. ——(Japan) Konosuke Matsushita