Who said "I would jump down Etna for any great public good."?

This quote is attributed to John Keats.

I would jump down Etna for any great public good. - John Keats

"I would jump down Etna for any great public good."

John Keats Justice

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"

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."