The quote you mentioned is often attributed to Albert Einstein, although its exact origin is uncertain. It is a humorous statement that reflects Einstein's perspective on human fallibility rather than a scientific or philosophical claim.
As for the concept of perfection, it is subjective and can vary depending on individual perspectives and contexts. In many philosophical and religious traditions, perfection is considered an ideal or a state of completeness, free from flaws or imperfections. However, achieving absolute perfection is often seen as unattainable or elusive.
In the realm of science, perfection is typically not a term used to describe natural phenomena or systems. Science is more concerned with understanding the workings of the natural world, uncovering patterns, and formulating theories and laws to explain observations. While scientists strive for accuracy and precision in their methodologies and measurements, the concept of perfection in an absolute sense is not a central aspect of scientific inquiry.
Ultimately, whether perfection exists or not is a matter of personal belief, philosophical interpretation, or cultural perspective.