I'm just a passive fan of Prog Rock and I'm definitely not the biggest fan of Yes . But this is easily my favorite song of all time. It's so beautiful. The section of "I get up. I get down." brings me to tears everytime I hear it and I'm not sure why.
If you like this, check out the album Polygondwanaland by King Gizzard and the Lizard Wizard. It's free:
https://kinggizzardandthelizardwizard.com/polygondwanaland