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• Life is doubt, and faith without doubt is nothing but death. -- Miguel de Unamuno
• Nadie tiene mas imaginacion que la realidad. -- Miguel de Unamuno, "El Espejo de la Muerte", 1941
• The supreme triumph of reason is to cast doubt upon its own validity: -- Miguel de Unamuno
• To fall into a habit is to begin to cease to be.
  -- Miguel de Unamuno, "The Tragic Sense of Life", 1913...
• If a person never contradicts himself, it must be that he says nothing. Miguel de Unamuno
• Nada muere, todo baja del rio del tiempo al mar de la eternidad y alli queda.
  -- Miguel de Unamuno, -- "Ver con los Ojos y Otros Relatos Novelesco...
• Love not what you are, but what you may become. -- Miguel de Cervante
• Those who believe that they believe in God, but without passion in their hea
  without anguish in mind, without uncertainty, without doubt, without an element of despair even in their consolation, believe only in the God idea, not God Himself....