David

“Every acquisition, every step forward in knowledge is the result of courage, of severity toward oneself, of cleanliness with respect to oneself.”
― Friedrich Nietzsche, Ecce Homo

“Whenever you want to cheer yourself up, consider the good qualities of your companions, for example, the energy of one, the modesty of another, the generosity of yet another, and some other quality of another; for nothing cheers the heart as much as the images of excellence reflected in the character of our companions, all brought before us as fully as possible. Therefore, keep these images ready at hand.”
― Marcus Aurelius, Meditations

“One pays dearly for any kind of mastery on earth, where perhaps one pays too dearly for everything; one is master of one's trade at the price of also being its victim.”
― Friedrich Nietzsche, The Gay Science: With a Prelude in Rhymes and an Appendix of Songs

“I love deadlines. I like the whooshing sound they make as they fly by.”
― Douglas Adams, The Salmon of Doubt: Hitchhiking the Galaxy One Last Time