言必信， 行必果

言必信， 行必果 [yán bì xìn xíng bì guǒ]

1. ■ Promise must be kept and action must be resolute.; always be true in word and resolute in deed; He is as good as his word.; He is positive in action.; make good one's word; One must be faithful to one's word and firm in one's purpose.; true to one's word and firm in one's actions; What is said must be done, and what is done must be carried to fruition.