Entre lo que veo y digo,
entre lo que digo y callo,
entre lo que callo y sueno,
entre lo que sueno y olvido,
la poesia.–Octavio Paz, b. 1914.

Octavio Paz is a Mexican poet and essayist who won the Nobel Prize for Literature in 1990. English translation:

Between what I see and what I say,
Between what I say and what I keep silent,
Between what I keep silent and what I dream,
Between what I dream and what I forget,
Poetry.