The phrase encapsulates the concept that pre-existing beliefs significantly influence perception and interpretation of the world. Individuals often perceive what they expect to perceive, filtering incoming information through the lens of their convictions. As an example, two people observing the same event may describe it differently based on their prior experiences and assumptions.
This phenomenon has profound implications across various domains, including scientific inquiry, interpersonal relationships, and cultural understanding. It can either facilitate or hinder objective assessment. On one hand, strong belief can drive innovation and commitment. Conversely, it can lead to confirmation bias, hindering receptiveness to dissenting opinions or contradictory evidence. Historically, deeply ingrained beliefs have shaped societal norms and influenced major events, both positively and negatively, demonstrating the power of conviction in shaping reality.
