Never Look Back, Walk Tall, Act Fine

Never Look Back, Walk Tall, Act Fine were the markings chiseled in the stone walls of a mine in the Appaloosan Mountains. The doorway was similar to that of the Ziggy Stardust gateway, which was likely created by the same ancient Diamond Dog society from long ago. The Mane Six walked through it on their quest to the Changeling Kingdom.

Behind the scenes
These markings are lyrics from the song "Golden Years" by David Bowie, whose music also inspired the Diamond Dogs.