"If anything can go wrong, it will"

The saying "If anything can go wrong, it will" expresses the idea that in complex systems or processes, there's always a chance that problems or failures will occur, especially when overlooked or underestimated. It highlights the importance of diligent planning, risk management, and anticipating potential issues. Essentially, it reminds us to be prepared for setbacks, as unexpected complications are likely to happen eventually, particularly when vigilance is low. The phrase encourages proactive thinking to minimize the impact of unforeseen errors and to plan for contingencies.