"Finally, from so little sleeping and so much reading, his brain dried up and he went completely out of his mind.” (Miguel de Cervantes Saavedra, Don Quixote)
Pursuit of perfection
Lord Yagyū once said, "I do not know how to defeat others. All I know is the path to defeat myself. Today one must be better than yesterday, and tomorrow better than today. The pursuit of perfection is a lifelong quest that has no end."