1The scientist's infallible logic and rigorous methodology led to a groundbreaking discovery.
2Is it possible to develop an infallible system for predicting stock market trends?
3The company's infallible standard of quality has earned it a reputation as a leader in the industry.
4The judge's infallible sense of justice was evident in her fair and impartial rulings.
5There is no infallible way to prevent all errors, but we can minimize them through careful planning and attention to detail.