He is as mad as a March hare. - Miguel de Cervantes

Now had Aurora displayed her mantle over the blushing skies, and dark night withdrawn her sable veil.

In short, to sum up all in a few words, or in a single one, I may tell you I am Don Quixote of La Mancha, otherwise called 'The Knight of the Rueful Countenance;' for though self-praise is degrading, I must perforce sound my own sometimes, that is to say, when there is no one at hand to do it for me.

Yo sé quién soy -dijo Don Quijote-, y sé que puedo ser, no sólo los que he dicho, sino todos los Doce Pares de Francia.