فمن أين لنا أن أفكار الحلم كاذبة، لا تلك الأفكار التي نعيشها في اليقظة، وهي في كثير من الأحيان لا تقلّ عنها وضوحاً وتميّزاً؟

“For how do we know that the thoughts which occur in dreaming are false rather than those others which we experience when awake, since the former are often not less vivid and distinct than the latter?”Rene Descartes — Discourse on the Method and the Meditations (2008)