Final answer:
The quote, 'A little learning is a dangerous thing. Drink deep or taste not the Pierian spring; There shallow thoughts intoxicate the brain, and drinking largely sobers us again,' means that having only a limited amount of knowledge can be harmful.
Step-by-step explanation:
The quote, 'A little learning is a dangerous thing. Drink deep or taste not the Pierian spring; There shallow thoughts intoxicate the brain, and drinking largely sobers us again,' means that having only a limited amount of knowledge can be harmful. It suggests that one should either fully immerse themselves in learning or not engage in it at all. The reference to the Pierian spring alludes to the source of knowledge in Greek mythology.