"Wild World" by English singer-songwriter Cat Stevens, is from his 1970 album Tea for the Tillerman. The song is in the form of the singer's words to his departing lover, inspired by the end of their romance.
https://en.wikipedia.org/wiki/Wild_World
https://en.wikipedia.org/wiki/Tea_for_the_Tillerman
https://en.wikipedia.org/wiki/Cat_Stevens
https://en.wikipedia.org/wiki/Wild_World
https://en.wikipedia.org/wiki/Tea_for_the_Tillerman
https://en.wikipedia.org/wiki/Cat_Stevens