Quote by William Blake
The man who never alters his opinion is like standing water, and breeds reptiles of the mind.
Summary
This quote suggests that people who never change their opinions are stagnant and closed-minded. It compares them to standing water, which does not move or evolve. The reference to "reptiles of the mind" implies that their inflexible thinking generates harmful or regressive ideas. Essentially, the quote warns against the dangers of being intellectually stubborn and highlights the importance of being open to new perspectives and willing to reconsider one's opinions in order to avoid mental stagnation.