Todos los vicios, Sancho, traen un no sé qué de deleite consigo, pero el de la envidia no trae sino disgustos, rancores y rabias. - Miguel de Cervantes

Cada uno es hijo de sus obras.

Poetry is like an innocent young maiden who is extremely beautiful, and whom many other maidens, who are the other fields of knowledge, are careful to enrich, polish, and adorn, and she must be served by all of them. Her alchemy is such that the person who knows how to treat her will turn her into purest gold of inestimable value...she should not be allowed in the company of scoundrels or the ignorant mob incapable of knowing or appreciating the treasures that lie within her.

Señor,' responded Sancho, 'withdrawing is not running away, and waiting is not sensible when danger outweighs hope, and wise men know to save something for tomorrow and not risk everything in a single day.