Thoreau Spent in Jail" Jerome Lawrence and Robert E. Lee show that one's own mind is the most powerful tools one has access to. Power is the ability to change one's perception of the world around them, and this includes changing someone else's perception.
In "The Night Thoreau Spent in Jail," Henry brings Emerson's son, Edward, out to pick imaginary huckleberries. To get Edward excited, Henry says "Would you like to study composition with Mozart?
Painting with Michelangelo? Study huckleberry-hunting with Thoreau, it's the same thing!" Henry uses