Miguel de Cervantes

“Forewarned, forearmed; to be prepared is half the victory.”
“The pen is the tongue of the soul; as are the thoughts engendered there, so will be the things written.”
“Tell me what company thou keepest, and I will tell thee what thou art.”
“Can we ever have too much of a good thing?”
“Finally, from so little sleeping and so much reading, his brain dried up and he went completely out of his mind.”