苟信不继，盟无益也。
释义Explanation
如果诚信不能持续维系，那么缔结的盟约也毫无用处。这句话强调，任何形式的协议或合作都必须以真诚的信用为基础；一旦信任崩塌，再周全的条款也只是空文。它警示人们，表面的约定无法替代内在的信用坚守，唯有言行一致的诚意才能让彼此承诺真正生效。
If honesty and good faith are not persistently maintained, any covenant or agreement becomes meaningless. This statement emphasizes that all forms of cooperation must be rooted in genuine mutual trust. Once that trust collapses, even the most elaborate agreements are reduced to empty words. It warns that superficial commitments cannot replace an inner dedication to credibility; only consistent sincerity and integrity can make promises effective.
使用场景Usage
现代商业合作中，两家公司签署了详尽的战略协议，但双方都在执行中背弃承诺，缺乏持续的诚信沟通，最终合作破裂、对簿公堂。这正是“苟信不继，盟无益也”的写照——契约的生命力不在于纸面，而在于彼此的信用践行。
In modern business, two companies sign a detailed strategic agreement, but both parties breach their commitments during execution. Without sustained integrity-based communication, the partnership collapses and ends in litigation. This vividly illustrates the principle that the vitality of a contract lies not in its wording but in the ongoing practice of mutual trust.