The text is a palindrome- in the first half reading as a dire denunciation, and in the second, reversed, is a call to hope. It graphically and cleverly illustrates that the very same situation can be viewed quite differently depending on perspective.

From the glass half empty- ‘There is no light on the horizon and it is foolish to think you can change anything at all’; to the glass half full- ‘you can change anything at all. It is foolish to think there is no light on the horizon.