Answer:
It shows that Franklin valued reason and intellectual accomplishment.
Step-by-step explanation:
The enlightenment is the phillosophical current that gave a strong power and position of value to reason and intellectual accomplishment, the Enlighted thinkers valued strongly the capacity of every man to think and reason, and to create knowledge, this is why Benjamin FranklinĀ“s quote is an impact of the Enlightement since it states that it is as important as keeping the body healthy to nurture the mind.