What does it mean to "have a bright moon in your heart and walk on Wan Li Road"?

There is a bright moon in your heart, and you can go far away with the light of that bright moon. The bright moon can refer to spiritual support or ideal pursuit. With this motivation in my heart, I can support myself to travel thousands of miles.

The relevant explanation of the bright moon:

Bright moon, the general name of the moon, usually refers to its bright part. It often appears in poems, names and TV plays. There is an old saying about the bright moon, such as Wang Changling's "Out of the Great Wall", "The bright moon Qin Guan, the Long March did not return; Wang Anshi's "Dengguazhou" is green and Jiang Nanan. When will the bright moon shine on me? " Wait a minute.