“Every dream the possibility. ”

Upon winning his seventh straight Gold medal and having set his seventh straight Olympic record in as many events in the 2008 Olympic Games, 16 August 2008. (Source: [Phelps ties Spitz’s record with seventh gold medal… just barely, Sports Illustrated, http://sportsillustrated.cnn.com/2008/olympics/2008/08/15/phelps.100.butterfly.ap/])

Source: How to Kill a Rock Star

Introduction
The Stone Raft (1994)

Quoted in "Yamilet Peña La posibilidad de realizar un sueño es lo que hace la vida interesante" in: Diario Libre, by Manauri Jorge. 2012-08-10 ( online http://www.diariolibre.com/olimpiadas2012/2012/08/10/i347393_yamilet-pena-posibilidad-realizar-sueno-que-hace-vida-interesante.html).
ARS Universal Press Conference, Santo Domingo, Dominican Republic, 2012-08-19

Variant: It's the possibility of having a dream come true that makes life interesting.
Source: The Alchemist

Source: The complete works of Kalidasa

Twelve Types (1903) "Sir Walter Scott"
Context: The center of every man's existence is a dream. Death, disease, insanity, are merely material accidents, like a toothache or a twisted ankle. That these brutal forces always besiege and often capture the citadel does not prove that they are the citadel.