Objective truths are facts that remain constant regardless of personal beliefs or opinions. They can be verified through observation, measurement, or evidence. For example, the statement "water boils at 100 degrees Celsius at sea level" is an objective truth because it can be tested and confirmed by anyone, anywhere. These truths are essential in fields like science and mathematics, where accuracy is crucial. In contrast to subjective truths, which can vary from person to person, objective truths provide a reliable foundation for understanding the world. For instance, gravity is an objective truth that affects all objects with mass, regardless of individual perspectives.