Keeping a promise is like defending your honor. -Balzac

You can't stand it if you don't believe it. -Chao Shuozhi

It is not easy for a husband to make a commitment. -Sima Guang

You can keep your promise all your life, but you can't break your word. -Don Zhang Hu's "Su Law Lutz Heart"

Credit is both an intangible force and an intangible wealth. -(Japanese) Kōnosuke Matsushita

Nothing is worse than breaking promises. -Fu Xuan

Treat people with sincerity, and people will not bully me; Nothing can be done by being honest about things. —— (Middle) Feng Yuxiang

Push sincerity without bullying, and keep it. -Lin Bu

People can't stand on the world without loyalty. -Cheng Yi