“Wisdom cannot be pass’d from one having it to another not having it.
Wisdom is of the soul, is not susceptible of proof, is its own proof.”
-Walt Whitman (1819-1892)
This is another example of the more that you give, the more that you have. One of the best ways to learn is by teaching! Wisdom is not something that can necessarily be measured, but it can be felt, and it can be shared.