It starts with a “G” on the left plaque. Find each bright gold letter going from left to right on the left plaque then again left to right on the right plaque.When you find them all they spell out a saying and the name of the author.
If you go to the mural when the sun is getting ready to set and the bright gold letters will stand out.
Hint: This quote is by a well known American author (1817 – 1862). He was a naturalist, poet, abolitionist and philosopher.