“The human understanding is like a false mirror, which, receiving rays irregularly, distorts and discolors the nature of things by mingling its own nature with it.”
~ Sir Francis Bacon (1561-1626) in Novum Organum, aphorism 41
You can read more about Bacon’s theories about human understanding and what hinders it here.
Bacon was a proponent of observation and the value of science in helping us to more accurate know and understand nature. He is considered the Father of the Scientific Method, which makes him, to many, The Evil Inventor of Science Fair Projects.