Who said "The only paradise is the one we have already lost."?

This quote is attributed to Marcel Proust.

The only paradise is the one we have already lost. - Marcel Proust

"The only paradise is the one we have already lost."

Marcel Proust

Novelist French 1871–1922

"The real voyage of discovery consists not in seeking new landscapes, but in having new eyes."

"Let us be grateful to the people who make us happy."

"The only true paradise is the paradise that we have lost."

"If a little dreaming is dangerous, the cure for it is not to dream less but to dream more, to dream all the time."