I was proud of working 18 hours a day and sleeping three hours a night. It's something now that has turned into a problem for me: not being able to sleep... having insomnia.
“I much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the masses.”
“Only as you do know yourself can your brain serve you as a sharp and efficient tool. Know your own failings, passions, and prejudices so you can separate them from what you see.”