Who said "To be a poet is a condition rather than a profession."?

This quote is attributed to John Keats.

To be a poet is a condition rather than a profession. - John Keats

"To be a poet is a condition rather than a profession."

John Keats Literature

Poet English 1795–1821

"A thing of beauty is a joy forever"

"The poetry of the earth is never dead"

"I am certain of nothing but the holiness of the heart's affections"

"Negative capability is when a man is capable of being in uncertainties without irritably reaching for fact"

"The pen is mightier than the sword."

"Literature opens the mind to new worlds"

"The interesting thing about books is that they're made of words."

"Literature captures the essence of what it means to be human."